diff --git a/pkg/domain/trial/code_call.go b/pkg/domain/core_domain/code_call.go
similarity index 88%
rename from pkg/domain/trial/code_call.go
rename to pkg/domain/core_domain/code_call.go
index 1b1047d3d86589afac74df439f028837dd3c64a9..2abf4baedbb066cce8678cd8f2e1b595ca06d39c 100644
--- a/pkg/domain/trial/code_call.go
+++ b/pkg/domain/core_domain/code_call.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeCall struct {
 	Package    string
diff --git a/pkg/domain/trial/code_data_struct.go b/pkg/domain/core_domain/code_data_struct.go
similarity index 97%
rename from pkg/domain/trial/code_data_struct.go
rename to pkg/domain/core_domain/code_data_struct.go
index e2d590176367031c587727d63f6dc05c16c61101..6c20a1b821958f43aa091d5ba7dde4be8f0e60cf 100644
--- a/pkg/domain/trial/code_data_struct.go
+++ b/pkg/domain/core_domain/code_data_struct.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeDataStruct struct {
 	Name            string
diff --git a/pkg/domain/trial/code_file.go b/pkg/domain/core_domain/code_file.go
similarity index 94%
rename from pkg/domain/trial/code_file.go
rename to pkg/domain/core_domain/code_file.go
index d24eb3304c2a434c67556f2b3962e8c459fbc099..4c63166f82a5aa178ec5ca5ec23b2a2bde525479 100644
--- a/pkg/domain/trial/code_file.go
+++ b/pkg/domain/core_domain/code_file.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeFile struct {
 	FullName       string
diff --git a/pkg/domain/trial/code_function.go b/pkg/domain/core_domain/code_function.go
similarity index 96%
rename from pkg/domain/trial/code_function.go
rename to pkg/domain/core_domain/code_function.go
index cb15c8a9f464feca3301683865fbf7bb17da1e90..5ebeef3e667581a550cff1a850c9a6c179edf08f 100644
--- a/pkg/domain/trial/code_function.go
+++ b/pkg/domain/core_domain/code_function.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeFunction struct {
 	Name            string
diff --git a/pkg/domain/trial/code_member.go b/pkg/domain/core_domain/code_member.go
similarity index 93%
rename from pkg/domain/trial/code_member.go
rename to pkg/domain/core_domain/code_member.go
index fd2dda8cb7f7b5459ceaccdaa13ef748965b2c06..7f1fbcd4e54a48b34814f7e8b77efb3e30155845 100644
--- a/pkg/domain/trial/code_member.go
+++ b/pkg/domain/core_domain/code_member.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 import "github.com/phodal/coca/pkg/domain"
 
diff --git a/pkg/domain/trial/code_module.go b/pkg/domain/core_domain/code_module.go
similarity index 72%
rename from pkg/domain/trial/code_module.go
rename to pkg/domain/core_domain/code_module.go
index 514028cdbe8fea19015c6c2e260cfc2a809df11e..c2a27ba6103432d9f3be82a6f0cfc9a73370424e 100644
--- a/pkg/domain/trial/code_module.go
+++ b/pkg/domain/core_domain/code_module.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeModule struct {
 	Packages []CodePackage
diff --git a/pkg/domain/trial/code_package.go b/pkg/domain/core_domain/code_package.go
similarity index 81%
rename from pkg/domain/trial/code_package.go
rename to pkg/domain/core_domain/code_package.go
index b69b3db5f60053c57483f0bd034c7d57b1f16139..c5db4d2419ae04ef8e9a4d60cf3e7fe92ca66278 100644
--- a/pkg/domain/trial/code_package.go
+++ b/pkg/domain/core_domain/code_package.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodePackage struct {
 	Name      string
diff --git a/pkg/domain/trial/code_position.go b/pkg/domain/core_domain/code_position.go
similarity index 86%
rename from pkg/domain/trial/code_position.go
rename to pkg/domain/core_domain/code_position.go
index 178c012867870f07b8ddbbd27ed2b6afac9709ac..0dc1cd734a9e533e11bc1326e655b86101f4721f 100644
--- a/pkg/domain/trial/code_position.go
+++ b/pkg/domain/core_domain/code_position.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodePosition struct {
 	StartLine         int
diff --git a/pkg/domain/trial/code_project.go b/pkg/domain/core_domain/code_project.go
similarity index 71%
rename from pkg/domain/trial/code_project.go
rename to pkg/domain/core_domain/code_project.go
index 4ca48c6a8d576353a4cfbfa597ece597f1a0656e..7a295e191527cc98c89ca4c3f1cd9e172a4efb72 100644
--- a/pkg/domain/trial/code_project.go
+++ b/pkg/domain/core_domain/code_project.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeProject struct {
 	Modules []CodeModule
diff --git a/pkg/domain/trial/code_property.go b/pkg/domain/core_domain/code_property.go
similarity index 89%
rename from pkg/domain/trial/code_property.go
rename to pkg/domain/core_domain/code_property.go
index d5069f0ee80a38a1d04851e109af48b4c754959c..2fbcff467589bf5b5fe30c3b9dbd696f52915e61 100644
--- a/pkg/domain/trial/code_property.go
+++ b/pkg/domain/core_domain/code_property.go
@@ -1,4 +1,4 @@
-package trial
+package core_domain
 
 type CodeProperty struct {
 	Modifiers   []string
diff --git a/trial/cocago/cocago_builder.go b/trial/cocago/cocago_builder.go
index 054bcc42a2d4e2f3789fdb0e1976611d3b0b7579..7eb73073952bc741d0d0956b224afabe27ee5bb4 100644
--- a/trial/cocago/cocago_builder.go
+++ b/trial/cocago/cocago_builder.go
@@ -2,16 +2,16 @@ package cocago
 
 import (
 	"fmt"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"go/ast"
 	"reflect"
 )
 
-func BuildPropertyField(name string, field *ast.Field) *trial.CodeProperty {
+func BuildPropertyField(name string, field *ast.Field) *core_domain.CodeProperty {
 	var typeName string
 	var typeType string
-	var params []trial.CodeProperty
-	var results []trial.CodeProperty
+	var params []core_domain.CodeProperty
+	var results []core_domain.CodeProperty
 	switch x := field.Type.(type) {
 	case *ast.Ident:
 		typeType = "Identify"
@@ -44,7 +44,7 @@ func BuildPropertyField(name string, field *ast.Field) *trial.CodeProperty {
 		fmt.Fprintf(output, "BuildPropertyField %s\n", reflect.TypeOf(x))
 	}
 
-	property := &trial.CodeProperty{
+	property := &core_domain.CodeProperty{
 		Modifiers:   nil,
 		Name:        name,
 		TypeType:    typeType,
@@ -71,8 +71,8 @@ func getStarExprName(starExpr ast.StarExpr) string {
 	}
 }
 
-func BuildFunction(x *ast.FuncDecl) *trial.CodeFunction {
-	codeFunc := &trial.CodeFunction{
+func BuildFunction(x *ast.FuncDecl) *core_domain.CodeFunction {
+	codeFunc := &core_domain.CodeFunction{
 		Name: x.Name.String(),
 	}
 
@@ -90,8 +90,8 @@ func BuildFunction(x *ast.FuncDecl) *trial.CodeFunction {
 	return codeFunc
 }
 
-func BuildFieldToProperty(fieldList []*ast.Field) []trial.CodeProperty {
-	var properties []trial.CodeProperty
+func BuildFieldToProperty(fieldList []*ast.Field) []core_domain.CodeProperty {
+	var properties []core_domain.CodeProperty
 	for _, field := range fieldList {
 		property := BuildPropertyField(getFieldName(field), field)
 		properties = append(properties, *property)
diff --git a/trial/cocago/cocago_parser.go b/trial/cocago/cocago_parser.go
index 3a7f1f9d53d6431660088533e750e23703f06002..76cac7186c077893eb592fd6717ca974e774a37c 100644
--- a/trial/cocago/cocago_parser.go
+++ b/trial/cocago/cocago_parser.go
@@ -3,7 +3,7 @@ package cocago
 import (
 	"bytes"
 	"fmt"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"go/ast"
 	"go/parser"
 	"go/token"
@@ -14,7 +14,7 @@ import (
 	"reflect"
 )
 
-var currentPackage *trial.CodePackage
+var currentPackage *core_domain.CodePackage
 
 type CocagoParser struct {
 }
@@ -23,7 +23,7 @@ var debug = false
 var output io.Writer
 
 func NewCocagoParser() *CocagoParser {
-	currentPackage = &trial.CodePackage{}
+	currentPackage = &core_domain.CodePackage{}
 	output = os.Stdout
 	return &CocagoParser{}
 }
@@ -35,7 +35,7 @@ func (n *CocagoParser) SetOutput(isDebug bool) io.Writer {
 	return output
 }
 
-func (n *CocagoParser) ProcessFile(fileName string) trial.CodeFile {
+func (n *CocagoParser) ProcessFile(fileName string) core_domain.CodeFile {
 	absPath, _ := filepath.Abs(fileName)
 	content, _ := ioutil.ReadFile(absPath)
 
@@ -52,10 +52,10 @@ func (n *CocagoParser) ProcessFile(fileName string) trial.CodeFile {
 	return *codeFile
 }
 
-func (n *CocagoParser) Visitor(f *ast.File, fset *token.FileSet, fileName string) *trial.CodeFile {
-	var currentStruct trial.CodeDataStruct
-	var currentFile trial.CodeFile
-	var currentFunc *trial.CodeFunction
+func (n *CocagoParser) Visitor(f *ast.File, fset *token.FileSet, fileName string) *core_domain.CodeFile {
+	var currentStruct core_domain.CodeDataStruct
+	var currentFile core_domain.CodeFile
+	var currentFunc *core_domain.CodeFunction
 
 	currentFile.FullName = fileName
 	var funcType = ""
@@ -71,7 +71,7 @@ func (n *CocagoParser) Visitor(f *ast.File, fset *token.FileSet, fileName string
 			imp := BuildImport(x)
 			currentFile.Imports = append(currentFile.Imports, *imp)
 		case *ast.TypeSpec:
-			currentStruct = trial.CodeDataStruct{}
+			currentStruct = core_domain.CodeDataStruct{}
 			currentStruct.Name = x.Name.String()
 		case *ast.StructType:
 			AddStructType(currentStruct, x, &currentFile)
@@ -97,14 +97,14 @@ func (n *CocagoParser) Visitor(f *ast.File, fset *token.FileSet, fileName string
 	return &currentFile
 }
 
-func BuildImport(x *ast.ImportSpec) *trial.CodeImport {
+func BuildImport(x *ast.ImportSpec) *core_domain.CodeImport {
 	path := x.Path.Value
 	cleanPath := path[1 : len(path)-1]
 	asName := ""
 	if x.Name != nil {
 		asName = x.Name.String()
 	}
-	imp := &trial.CodeImport{
+	imp := &core_domain.CodeImport{
 		Source:     cleanPath,
 		AsName:     asName,
 		ImportName: "",
@@ -114,17 +114,17 @@ func BuildImport(x *ast.ImportSpec) *trial.CodeImport {
 	return imp
 }
 
-func AddInterface(x *ast.InterfaceType, ident string, codeFile *trial.CodeFile) {
+func AddInterface(x *ast.InterfaceType, ident string, codeFile *core_domain.CodeFile) {
 	properties := BuildFieldToProperty(x.Methods.List)
 
-	dataStruct := trial.CodeDataStruct{
+	dataStruct := core_domain.CodeDataStruct{
 		Name:            ident,
 		ID:              "",
 		MemberIds:       nil,
 		InOutProperties: properties,
 	}
 
-	member := trial.CodeMember{
+	member := core_domain.CodeMember{
 		DataStructID: dataStruct.Name,
 		Type:         "interface",
 	}
@@ -133,11 +133,11 @@ func AddInterface(x *ast.InterfaceType, ident string, codeFile *trial.CodeFile)
 	codeFile.DataStructures = append(codeFile.DataStructures, dataStruct)
 }
 
-func AddNestedFunction(currentFunc *trial.CodeFunction, x *ast.FuncType) {
+func AddNestedFunction(currentFunc *core_domain.CodeFunction, x *ast.FuncType) {
 
 }
 
-func AddFunctionDecl(currentStruct trial.CodeDataStruct, x *ast.FuncDecl, currentFile *trial.CodeFile) *trial.CodeFunction {
+func AddFunctionDecl(currentStruct core_domain.CodeDataStruct, x *ast.FuncDecl, currentFile *core_domain.CodeFile) *core_domain.CodeFunction {
 	recv := ""
 	if x.Recv != nil {
 		recv = BuildReceiver(x, recv)
@@ -155,7 +155,7 @@ func AddFunctionDecl(currentStruct trial.CodeDataStruct, x *ast.FuncDecl, curren
 	} else {
 		member := GetMemberFromFile(*currentFile, "default")
 		if member == nil {
-			member = &trial.CodeMember{
+			member = &core_domain.CodeMember{
 				DataStructID: "default",
 				Type:         "method",
 			}
@@ -182,7 +182,7 @@ func BuildReceiver(x *ast.FuncDecl, recv string) string {
 	return recv
 }
 
-func BuildMethodCall(codeFunc *trial.CodeFunction, item ast.Stmt) {
+func BuildMethodCall(codeFunc *core_domain.CodeFunction, item ast.Stmt) {
 	switch it := item.(type) {
 	case *ast.ExprStmt:
 		BuildMethodCallExprStmt(it, codeFunc)
@@ -191,11 +191,11 @@ func BuildMethodCall(codeFunc *trial.CodeFunction, item ast.Stmt) {
 	}
 }
 
-func BuildMethodCallExprStmt(it *ast.ExprStmt, codeFunc *trial.CodeFunction) {
+func BuildMethodCallExprStmt(it *ast.ExprStmt, codeFunc *core_domain.CodeFunction) {
 	switch expr := it.X.(type) {
 	case *ast.CallExpr:
 		selector, selName := BuildExpr(expr.Fun.(ast.Expr))
-		call := trial.CodeCall{
+		call := core_domain.CodeCall{
 			Package:    "",
 			Type:       "",
 			Class:      selector,
@@ -204,7 +204,7 @@ func BuildMethodCallExprStmt(it *ast.ExprStmt, codeFunc *trial.CodeFunction) {
 
 		for _, arg := range expr.Args {
 			value, kind := BuildExpr(arg.(ast.Expr))
-			property := &trial.CodeProperty{
+			property := &core_domain.CodeProperty{
 				TypeName: value,
 				TypeType: kind,
 			}
@@ -241,12 +241,12 @@ func BuildExpr(expr ast.Expr) (string, string) {
 	return "", ""
 }
 
-func createMember(codeDataStruct trial.CodeDataStruct) {
+func createMember(codeDataStruct core_domain.CodeDataStruct) {
 
 }
 
-func GetMemberFromFile(file trial.CodeFile, recv string) *trial.CodeMember {
-	var identMember *trial.CodeMember
+func GetMemberFromFile(file core_domain.CodeFile, recv string) *core_domain.CodeMember {
+	var identMember *core_domain.CodeMember
 	for _, member := range file.Members {
 		if member.DataStructID == recv {
 			identMember = member
@@ -262,8 +262,8 @@ func getFieldName(field *ast.Field) string {
 	return field.Names[0].Name
 }
 
-func AddStructType(currentStruct trial.CodeDataStruct, x *ast.StructType, currentFile *trial.CodeFile) {
-	member := trial.CodeMember{
+func AddStructType(currentStruct core_domain.CodeDataStruct, x *ast.StructType, currentFile *core_domain.CodeFile) {
+	member := core_domain.CodeMember{
 		DataStructID: currentStruct.Name,
 		Type:         "struct",
 	}
diff --git a/trial/pkg/application/processor/process.go b/trial/pkg/application/processor/process.go
index 504ae527d655171c7db2d59e5e1095632f699604..61649599bb5779e960311d18113892e535ba965f 100644
--- a/trial/pkg/application/processor/process.go
+++ b/trial/pkg/application/processor/process.go
@@ -2,18 +2,18 @@ package processor
 
 import (
 	"github.com/phodal/coca/pkg/adapter/cocafile"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/cocago"
 	"strings"
 )
 
-func ProcessPackage(path string, debug bool) []*trial.CodeFile {
+func ProcessPackage(path string, debug bool) []*core_domain.CodeFile {
 	var GoFileFilter = func(path string) bool {
 		return strings.HasSuffix(path, ".go")
 	}
 
 	files := cocafile.GetFilesWithFilter(path, GoFileFilter)
-	filesData := make([]*trial.CodeFile, len(files))
+	filesData := make([]*core_domain.CodeFile, len(files))
 	parser := cocago.NewCocagoParser()
 	if debug {
 		parser.SetOutput(true)
diff --git a/trial/pkg/application/pyapp/py_ident_app.go b/trial/pkg/application/pyapp/py_ident_app.go
index 9bd8b8f0639b82b06b2b8183b3fe815ad5145fa7..de92c5d27c19be8c8afd9453f40762b1dd9804a3 100644
--- a/trial/pkg/application/pyapp/py_ident_app.go
+++ b/trial/pkg/application/pyapp/py_ident_app.go
@@ -3,7 +3,7 @@ package pyapp
 import (
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	parser "github.com/phodal/coca/languages/python"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/pkg/ast/pyast"
 )
 
@@ -21,7 +21,7 @@ func ProcessTsString(code string) *parser.PythonParser {
 type PythonApiApp struct {
 }
 
-func (j *PythonApiApp) Analysis(code string, fileName string) *trial.CodeFile {
+func (j *PythonApiApp) Analysis(code string, fileName string) *core_domain.CodeFile {
 	scriptParser := ProcessTsString(code)
 	context := scriptParser.Root()
 
diff --git a/trial/pkg/application/pyapp/py_ident_app_test.go b/trial/pkg/application/pyapp/py_ident_app_test.go
index c67cf66d920afc771d64244950bb28e29f8282a0..c87ae6c7f5831d779f7e548244177169063edd7e 100644
--- a/trial/pkg/application/pyapp/py_ident_app_test.go
+++ b/trial/pkg/application/pyapp/py_ident_app_test.go
@@ -4,7 +4,7 @@ import (
 	. "github.com/onsi/gomega"
 	"github.com/phodal/coca/cocatest"
 	"github.com/phodal/coca/pkg/adapter/cocafile"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"io/ioutil"
 	"strings"
 	"testing"
@@ -84,10 +84,10 @@ func Test_PythonClassWithDecorator(t *testing.T) {
 	codeFile := app.Analysis(string(file), "testdata/grammar/class_or_func_def_stmt.py")
 
 	g.Expect(len(codeFile.DataStructures)).To(Equal(1))
-	g.Expect(len(codeFile.DataStructures[0].Annotations.([]trial.PythonAnnotation))).To(Equal(1))
+	g.Expect(len(codeFile.DataStructures[0].Annotations.([]core_domain.PythonAnnotation))).To(Equal(1))
 
 	g.Expect(codeFile.Members[0].FunctionNodes[0].Name).To(Equal("bar"))
-	g.Expect(len(codeFile.Members[0].FunctionNodes[0].Annotations.([]trial.PythonAnnotation))).To(Equal(2))
+	g.Expect(len(codeFile.Members[0].FunctionNodes[0].Annotations.([]core_domain.PythonAnnotation))).To(Equal(2))
 }
 
 func Test_PythonImport(t *testing.T) {
diff --git a/trial/pkg/application/ts/ts_ident_app.go b/trial/pkg/application/ts/ts_ident_app.go
index 33753aaf4a9b3cd839a5ee89e7ec730555983557..78c0256fc4c93e18cd7062893fd5788761eaa09d 100644
--- a/trial/pkg/application/ts/ts_ident_app.go
+++ b/trial/pkg/application/ts/ts_ident_app.go
@@ -3,7 +3,7 @@ package ts
 import (
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	parser "github.com/phodal/coca/languages/ts"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/pkg/ast/ts"
 )
 
@@ -21,7 +21,7 @@ func ProcessTsString(code string) *parser.TypeScriptParser {
 type TypeScriptApiApp struct {
 }
 
-func (j *TypeScriptApiApp) Analysis(code string, fileName string) trial.CodeFile {
+func (j *TypeScriptApiApp) Analysis(code string, fileName string) core_domain.CodeFile {
 	scriptParser := ProcessTsString(code)
 	context := scriptParser.Program()
 
diff --git a/trial/pkg/ast/ast_util/position.go b/trial/pkg/ast/ast_util/position.go
index 4c581bffc6ce7b526981089728b77777e7ece9d1..8c3f054d47898682aecbdf2174c1c951e389a06f 100644
--- a/trial/pkg/ast/ast_util/position.go
+++ b/trial/pkg/ast/ast_util/position.go
@@ -3,7 +3,7 @@ package ast_util
 import (
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	"github.com/phodal/coca/pkg/domain"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 )
 
 func AddPosition(m *domain.JMethod, ctx *antlr.BaseParserRuleContext) {
@@ -14,7 +14,7 @@ func AddPosition(m *domain.JMethod, ctx *antlr.BaseParserRuleContext) {
 }
 
 
-func AddFunctionPosition(m *trial.CodeFunction, ctx *antlr.BaseParserRuleContext) {
+func AddFunctionPosition(m *core_domain.CodeFunction, ctx *antlr.BaseParserRuleContext) {
 	m.Position.StartLine = ctx.GetStart().GetLine()
 	m.Position.StartLinePosition = ctx.GetStart().GetColumn()
 	m.Position.StopLine = ctx.GetStop().GetLine()
diff --git a/trial/pkg/ast/pyast/python_ident_listener.go b/trial/pkg/ast/pyast/python_ident_listener.go
index 596c4a00c29b194ac4968b84ccf713e2338b9efe..c887b659b512b18a43721863c43fc2732765f266 100644
--- a/trial/pkg/ast/pyast/python_ident_listener.go
+++ b/trial/pkg/ast/pyast/python_ident_listener.go
@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	parser "github.com/phodal/coca/languages/python"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/pkg/ast/ast_util"
 	"io"
 	"os"
@@ -15,14 +15,14 @@ type PythonIdentListener struct {
 	parser.BasePythonParserListener
 }
 
-var currentCodeFile *trial.CodeFile
-var currentDataStruct *trial.CodeDataStruct
+var currentCodeFile *core_domain.CodeFile
+var currentDataStruct *core_domain.CodeDataStruct
 var debug = false
 var output io.Writer
 var hasEnterMember = false
 
 func NewPythonIdentListener(fileName string) *PythonIdentListener {
-	currentCodeFile = &trial.CodeFile{}
+	currentCodeFile = &core_domain.CodeFile{}
 	currentCodeFile.FullName = fileName
 	output = os.Stdout
 
@@ -39,7 +39,7 @@ func (s *PythonIdentListener) SetDebugOutput(isDebug bool) io.Writer {
 func (s *PythonIdentListener) EnterImport_stmt(ctx *parser.Import_stmtContext) {
 	dotNames := ctx.Dotted_as_names().(*parser.Dotted_as_namesContext).AllDotted_as_name()
 
-	codeImport := &trial.CodeImport{}
+	codeImport := &core_domain.CodeImport{}
 	context := dotNames[0].(*parser.Dotted_as_nameContext)
 	codeImport.Source = context.Dotted_name().GetText()
 	if context.Name() != nil {
@@ -55,7 +55,7 @@ func (s *PythonIdentListener) EnterImport_stmt(ctx *parser.Import_stmtContext) {
 }
 
 func (s *PythonIdentListener) EnterFrom_stmt(ctx *parser.From_stmtContext) {
-	codeImport := &trial.CodeImport{}
+	codeImport := &core_domain.CodeImport{}
 	codeImport.Source = ctx.From_stmt_source().GetText()
 	usageName := ctx.From_stmt_as_names().GetText()
 
@@ -75,7 +75,7 @@ func (s *PythonIdentListener) EnterFrom_stmt(ctx *parser.From_stmtContext) {
 
 func (s *PythonIdentListener) EnterClassdef(ctx *parser.ClassdefContext) {
 	hasEnterMember = true
-	dataStruct := &trial.CodeDataStruct{
+	dataStruct := &core_domain.CodeDataStruct{
 		Name:            ctx.Name().GetText(),
 		ID:              "",
 		MemberIds:       nil,
@@ -99,7 +99,7 @@ func (s *PythonIdentListener) ExitClassdef(ctx *parser.ClassdefContext) {
 
 func (s *PythonIdentListener) EnterFuncdef(ctx *parser.FuncdefContext) {
 	hasEnterMember = true
-	function := trial.CodeFunction{
+	function := core_domain.CodeFunction{
 		Name: ctx.Name().GetText(),
 	}
 
@@ -109,7 +109,7 @@ func (s *PythonIdentListener) EnterFuncdef(ctx *parser.FuncdefContext) {
 		function.Annotations = decorators
 	}
 
-	member := &trial.CodeMember{
+	member := &core_domain.CodeMember{
 		Name: ctx.Name().GetText(),
 	}
 
@@ -125,14 +125,14 @@ func (s *PythonIdentListener) ExitFuncdef(ctx *parser.FuncdefContext) {
 	hasEnterMember = false
 }
 
-func BuildDecoratorsByIndex(node antlr.ParseTree, index int) []trial.PythonAnnotation {
+func BuildDecoratorsByIndex(node antlr.ParseTree, index int) []core_domain.PythonAnnotation {
 	var nodes []parser.DecoratorContext
 	for i := 0; i < index; i++ {
 		context := node.GetParent().GetChild(i).(*parser.DecoratorContext)
 		nodes = append(nodes, *context)
 	}
 
-	var annotations []trial.PythonAnnotation
+	var annotations []core_domain.PythonAnnotation
 	for _, node := range nodes {
 		decorator := BuildDecorator(&node)
 		annotations = append(annotations, *decorator)
@@ -141,10 +141,10 @@ func BuildDecoratorsByIndex(node antlr.ParseTree, index int) []trial.PythonAnnot
 	return annotations
 }
 
-func BuildDecorator(x *parser.DecoratorContext) *trial.PythonAnnotation {
+func BuildDecorator(x *parser.DecoratorContext) *core_domain.PythonAnnotation {
 	text := x.Dotted_name().GetText()
 
-	annotation := &trial.PythonAnnotation{
+	annotation := &core_domain.PythonAnnotation{
 		Name: text,
 	}
 
@@ -155,11 +155,11 @@ func BuildDecorator(x *parser.DecoratorContext) *trial.PythonAnnotation {
 	return annotation
 }
 
-func BuildArgList(context *parser.ArglistContext) []trial.CodeProperty {
-	var arguments []trial.CodeProperty
+func BuildArgList(context *parser.ArglistContext) []core_domain.CodeProperty {
+	var arguments []core_domain.CodeProperty
 	for _, arg := range context.AllArgument() {
 		argContext := arg.(*parser.ArgumentContext)
-		argument := &trial.CodeProperty{
+		argument := &core_domain.CodeProperty{
 			Name:     "",
 			TypeName: argContext.GetText(),
 		}
@@ -169,6 +169,6 @@ func BuildArgList(context *parser.ArglistContext) []trial.CodeProperty {
 	return arguments
 }
 
-func (s *PythonIdentListener) GetCodeFileInfo() *trial.CodeFile {
+func (s *PythonIdentListener) GetCodeFileInfo() *core_domain.CodeFile {
 	return currentCodeFile
 }
diff --git a/trial/pkg/ast/ts/typescript_ident_converter.go b/trial/pkg/ast/ts/typescript_ident_converter.go
index 8e3bcc2c2db5a16a210b3b7895cf9e44dc7eaf27..b4d1a219886f5ba190bc2981e382edfc14dcbc19 100644
--- a/trial/pkg/ast/ts/typescript_ident_converter.go
+++ b/trial/pkg/ast/ts/typescript_ident_converter.go
@@ -3,12 +3,12 @@ package ts
 import (
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	"github.com/phodal/coca/languages/ts"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/pkg/ast/ast_util"
 )
 
-func BuildConstructorMethod(ctx *parser.ConstructorDeclarationContext) *trial.CodeFunction {
-	function := &trial.CodeFunction{
+func BuildConstructorMethod(ctx *parser.ConstructorDeclarationContext) *core_domain.CodeFunction {
+	function := &core_domain.CodeFunction{
 		Name: "constructor",
 	}
 
@@ -23,8 +23,8 @@ func BuildConstructorMethod(ctx *parser.ConstructorDeclarationContext) *trial.Co
 	return function
 }
 
-func BuildMemberMethod(ctx *parser.PropertyMemberDeclarationContext) *trial.CodeFunction {
-	function := &trial.CodeFunction{
+func BuildMemberMethod(ctx *parser.PropertyMemberDeclarationContext) *core_domain.CodeFunction {
+	function := &core_domain.CodeFunction{
 		Name: ctx.PropertyName().GetText(),
 	}
 	function.Position.StartLine = ctx.GetStart().GetLine()
@@ -47,9 +47,9 @@ func BuildImplements(typeList parser.IClassOrInterfaceTypeListContext) []string
 	return implements
 }
 
-func BuildMethodParameter(context *parser.ParameterListContext) ([]trial.CodeProperty) {
+func BuildMethodParameter(context *parser.ParameterListContext) ([]core_domain.CodeProperty) {
 	childNode := context.GetChild(0)
-	var parameters []trial.CodeProperty = nil
+	var parameters []core_domain.CodeProperty = nil
 
 	switch x := childNode.(type) {
 	case *parser.RequiredParameterListContext:
@@ -66,7 +66,7 @@ func BuildMethodParameter(context *parser.ParameterListContext) ([]trial.CodePro
 		}
 	case *parser.PredefinedTypeContext:
 		predefinedTypeContext := x
-		parameter := trial.CodeProperty{
+		parameter := core_domain.CodeProperty{
 			TypeName: "any",
 			TypeType: predefinedTypeContext.GetText(),
 		}
@@ -76,13 +76,13 @@ func BuildMethodParameter(context *parser.ParameterListContext) ([]trial.CodePro
 	return parameters
 }
 
-func buildRestParameters(ctx *parser.RestParameterContext) trial.CodeProperty {
+func buildRestParameters(ctx *parser.RestParameterContext) core_domain.CodeProperty {
 	context := ctx.GetChild(1).(*parser.RequiredParameterContext)
 	return buildRequiredParameter(context)
 }
 
-func buildRequireParameterList(listContext *parser.RequiredParameterListContext) []trial.CodeProperty {
-	var requireCodeParams []trial.CodeProperty = nil
+func buildRequireParameterList(listContext *parser.RequiredParameterListContext) []core_domain.CodeProperty {
+	var requireCodeParams []core_domain.CodeProperty = nil
 
 	for _, requiredParameter := range listContext.AllRequiredParameter() {
 		paramCtx := requiredParameter.(*parser.RequiredParameterContext)
@@ -93,13 +93,13 @@ func buildRequireParameterList(listContext *parser.RequiredParameterListContext)
 	return requireCodeParams
 }
 
-func buildRequiredParameter(paramCtx *parser.RequiredParameterContext) trial.CodeProperty {
+func buildRequiredParameter(paramCtx *parser.RequiredParameterContext) core_domain.CodeProperty {
 	paramType := ""
 	if paramCtx.TypeAnnotation() != nil {
 		annotationContext := paramCtx.TypeAnnotation().(*parser.TypeAnnotationContext)
 		paramType = BuildTypeAnnotation(annotationContext)
 	}
-	parameter := trial.CodeProperty{
+	parameter := core_domain.CodeProperty{
 		TypeName: paramCtx.IdentifierOrPattern().GetText(),
 		TypeType: paramType,
 	}
diff --git a/trial/pkg/ast/ts/typescript_ident_listener.go b/trial/pkg/ast/ts/typescript_ident_listener.go
index fac734d5e79f873cb5b351fb42467b01802c4f59..2fd8a828005dd447b1d11fb7fc169b89ccfcd7aa 100644
--- a/trial/pkg/ast/ts/typescript_ident_listener.go
+++ b/trial/pkg/ast/ts/typescript_ident_listener.go
@@ -4,7 +4,7 @@ import (
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	parser "github.com/phodal/coca/languages/ts"
 	"github.com/phodal/coca/pkg/domain"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/pkg/ast/ast_util"
 	"strings"
 )
@@ -12,11 +12,11 @@ import (
 var defaultClass = "default"
 
 type TypeScriptIdentListener struct {
-	currentDataStruct *trial.CodeDataStruct
-	dataStructures    []trial.CodeDataStruct
-	dataStructQueue   []trial.CodeDataStruct
+	currentDataStruct *core_domain.CodeDataStruct
+	dataStructures    []core_domain.CodeDataStruct
+	dataStructQueue   []core_domain.CodeDataStruct
 	filePath          string
-	codeFile          trial.CodeFile
+	codeFile          core_domain.CodeFile
 
 	parser.BaseTypeScriptParserListener
 }
@@ -27,11 +27,11 @@ func NewTypeScriptIdentListener(fileName string) *TypeScriptIdentListener {
 	return listener
 }
 
-func (s *TypeScriptIdentListener) GetNodeInfo() trial.CodeFile {
+func (s *TypeScriptIdentListener) GetNodeInfo() core_domain.CodeFile {
 	isScriptCalls := s.currentDataStruct != nil && s.currentDataStruct.IsNotEmpty()
 	if isScriptCalls {
 		if len(s.currentDataStruct.Functions) < 1 {
-			function := &trial.CodeFunction{}
+			function := &core_domain.CodeFunction{}
 			function.Name = "default"
 			function.MethodCalls = append(function.MethodCalls, s.currentDataStruct.FunctionCalls...)
 
@@ -47,7 +47,7 @@ func (s *TypeScriptIdentListener) GetNodeInfo() trial.CodeFile {
 
 func (s *TypeScriptIdentListener) EnterImportFromBlock(ctx *parser.ImportFromBlockContext) {
 	replaceSingleQuote := UpdateImportStr(ctx.StringLiteral().GetText())
-	imp := &trial.CodeImport{Source: replaceSingleQuote}
+	imp := &core_domain.CodeImport{Source: replaceSingleQuote}
 	importName := ctx.GetChild(0).(antlr.ParseTree).GetText()
 	imp.ImportName = importName
 	s.codeFile.Imports = append(s.codeFile.Imports, *imp)
@@ -61,18 +61,18 @@ func UpdateImportStr(importText string) string {
 
 func (s *TypeScriptIdentListener) EnterImportAliasDeclaration(ctx *parser.ImportAliasDeclarationContext) {
 	replaceSingleQuote := UpdateImportStr(ctx.StringLiteral().GetText())
-	imp := &trial.CodeImport{Source: replaceSingleQuote}
+	imp := &core_domain.CodeImport{Source: replaceSingleQuote}
 	s.codeFile.Imports = append(s.codeFile.Imports, *imp)
 }
 
 func (s *TypeScriptIdentListener) EnterImportAll(ctx *parser.ImportAllContext) {
 	replaceSingleQuote := UpdateImportStr(ctx.StringLiteral().GetText())
-	imp := &trial.CodeImport{Source: replaceSingleQuote}
+	imp := &core_domain.CodeImport{Source: replaceSingleQuote}
 	s.codeFile.Imports = append(s.codeFile.Imports, *imp)
 }
 
 func (s *TypeScriptIdentListener) EnterInterfaceDeclaration(ctx *parser.InterfaceDeclarationContext) {
-	s.currentDataStruct = &trial.CodeDataStruct{
+	s.currentDataStruct = &core_domain.CodeDataStruct{
 		Type: "Interface",
 		Name: ctx.Identifier().GetText(),
 	}
@@ -93,7 +93,7 @@ func (s *TypeScriptIdentListener) EnterInterfaceDeclaration(ctx *parser.Interfac
 	}
 }
 
-func BuildInterfaceTypeBody(ctx *parser.TypeMemberListContext, dataStruct *trial.CodeDataStruct) {
+func BuildInterfaceTypeBody(ctx *parser.TypeMemberListContext, dataStruct *core_domain.CodeDataStruct) {
 	for _, typeMember := range ctx.AllTypeMember() {
 		typeMemberCtx := typeMember.(*parser.TypeMemberContext)
 		memberChild := typeMemberCtx.GetChild(0)
@@ -104,7 +104,7 @@ func BuildInterfaceTypeBody(ctx *parser.TypeMemberListContext, dataStruct *trial
 			method := domain.NewJMethod()
 			method.Name = x.PropertyName().GetText()
 
-			function := trial.CodeFunction{
+			function := core_domain.CodeFunction{
 				Name: x.PropertyName().GetText(),
 			}
 
@@ -115,21 +115,21 @@ func BuildInterfaceTypeBody(ctx *parser.TypeMemberListContext, dataStruct *trial
 	}
 }
 
-func BuildInterfacePropertySignature(signatureCtx *parser.PropertySignatureContext, dataStruct *trial.CodeDataStruct) {
+func BuildInterfacePropertySignature(signatureCtx *parser.PropertySignatureContext, dataStruct *core_domain.CodeDataStruct) {
 	typeType := BuildTypeAnnotation(signatureCtx.TypeAnnotation().(*parser.TypeAnnotationContext))
 	typeValue := signatureCtx.PropertyName().(*parser.PropertyNameContext).GetText()
 
 	isArrowFunc := signatureCtx.Type_() != nil
 	if isArrowFunc {
-		function := &trial.CodeFunction{
+		function := &core_domain.CodeFunction{
 			Name: typeValue,
 		}
-		param := trial.CodeProperty{
+		param := core_domain.CodeProperty{
 			TypeName: "any",
 			TypeType: typeType,
 		}
 
-		returnType := trial.CodeProperty{
+		returnType := core_domain.CodeProperty{
 			TypeType: signatureCtx.Type_().GetText(),
 		}
 		function.Parameters = append(function.Parameters, param)
@@ -137,7 +137,7 @@ func BuildInterfacePropertySignature(signatureCtx *parser.PropertySignatureConte
 
 		dataStruct.Functions = append(dataStruct.Functions, *function)
 	} else {
-		codeField := &trial.CodeField{}
+		codeField := &core_domain.CodeField{}
 		codeField.TypeType = typeType
 		codeField.TypeValue = typeValue
 
@@ -150,7 +150,7 @@ func (s *TypeScriptIdentListener) ExitInterfaceDeclaration(ctx *parser.Interface
 }
 
 func (s *TypeScriptIdentListener) EnterClassDeclaration(ctx *parser.ClassDeclarationContext) {
-	s.currentDataStruct = &trial.CodeDataStruct{
+	s.currentDataStruct = &core_domain.CodeDataStruct{
 		Type: "Class",
 		Name: ctx.Identifier().GetText(),
 	}
@@ -189,11 +189,11 @@ func (s *TypeScriptIdentListener) handleClassBodyElements(classTailContext *pars
 	}
 }
 
-func (s *TypeScriptIdentListener) HandlePropertyMember(propertyMemberCtx *parser.PropertyMemberDeclarationContext, dataStruct *trial.CodeDataStruct) {
+func (s *TypeScriptIdentListener) HandlePropertyMember(propertyMemberCtx *parser.PropertyMemberDeclarationContext, dataStruct *core_domain.CodeDataStruct) {
 	callSignatureSizePos := 3
 	if propertyMemberCtx.PropertyName() != nil {
 		modifier := propertyMemberCtx.PropertyMemberBase().GetText()
-		codeField := trial.CodeField{
+		codeField := core_domain.CodeField{
 			TypeValue: propertyMemberCtx.PropertyName().GetText(),
 		}
 		codeField.Modifiers = append(codeField.Modifiers, modifier)
@@ -224,12 +224,12 @@ func (s *TypeScriptIdentListener) exitClass() {
 		s.dataStructQueue = s.dataStructQueue[0 : len(s.dataStructQueue)-1]
 		s.currentDataStruct = &s.dataStructQueue[len(s.dataStructQueue)-1]
 	} else {
-		s.currentDataStruct = trial.NewDataStruct()
+		s.currentDataStruct = core_domain.NewDataStruct()
 	}
 }
 
 func (s *TypeScriptIdentListener) EnterFunctionDeclaration(ctx *parser.FunctionDeclarationContext) {
-	function := &trial.CodeFunction{
+	function := &core_domain.CodeFunction{
 		Name: ctx.Identifier().GetText(),
 	}
 
@@ -239,12 +239,12 @@ func (s *TypeScriptIdentListener) EnterFunctionDeclaration(ctx *parser.FunctionD
 	ast_util.AddFunctionPosition(function, ctx.GetChild(0).GetParent().(*antlr.BaseParserRuleContext))
 
 	if s.currentDataStruct == nil {
-		s.currentDataStruct = &trial.CodeDataStruct{}
+		s.currentDataStruct = &core_domain.CodeDataStruct{}
 	}
 	s.currentDataStruct.Functions = append(s.currentDataStruct.Functions, *function)
 }
 
-func FillMethodFromCallSignature(callSignatureContext *parser.CallSignatureContext, function *trial.CodeFunction) {
+func FillMethodFromCallSignature(callSignatureContext *parser.CallSignatureContext, function *core_domain.CodeFunction) {
 	if callSignatureContext.ParameterList() != nil {
 		parameterListContext := callSignatureContext.ParameterList().(*parser.ParameterListContext)
 		functionParameters := BuildMethodParameter(parameterListContext)
diff --git a/trial/tcmd/analysis_go.go b/trial/tcmd/analysis_go.go
index 7c8e7c9abc1ab677c427bada352f594e00ef483a..555eb54578c54ba008da6cdb53ca39c0cb0feba7 100644
--- a/trial/tcmd/analysis_go.go
+++ b/trial/tcmd/analysis_go.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"github.com/phodal/coca/cmd/cmd_util"
 	"github.com/phodal/coca/pkg/adapter/cocafile"
-	"github.com/phodal/coca/pkg/domain/trial"
+	"github.com/phodal/coca/pkg/domain/core_domain"
 	"github.com/phodal/coca/trial/cocago"
 	"github.com/spf13/cobra"
 )
@@ -24,7 +24,7 @@ var analysisGoCmd = &cobra.Command{
 	Run: func(cmd *cobra.Command, args []string) {
 		importPath := analysisGoCmdConfig.Path
 
-		var results []trial.CodeFile
+		var results []core_domain.CodeFile
 		files := cocafile.GetFilesWithFilter(importPath, cocafile.GoFileFilter)
 		for _, file := range files {
 			parser := cocago.NewCocagoParser()