Streamline user-facing names

src/vs/code/electron-main/menus.ts

@@ -847,7 +847,7 @@ export class VSCodeMenu {
 
 		const keyboardShortcutsUrl = platform.isLinux ? product.keyboardShortcutsUrlLinux : platform.isMacintosh ? product.keyboardShortcutsUrlMac : product.keyboardShortcutsUrlWin;
 		arrays.coalesce([
-			new MenuItem({ label: mnemonicLabel(nls.localize({ key: 'miWelcome', comment: ['&& denotes a mnemonic'] }, "&&Welcome")), click: () => this.windowsService.sendToFocused('vscode:runAction', 'workbench.action.welcomePage') }),
+			new MenuItem({ label: mnemonicLabel(nls.localize({ key: 'miWelcome', comment: ['&& denotes a mnemonic'] }, "&&Welcome")), click: () => this.windowsService.sendToFocused('vscode:runAction', 'workbench.action.showWelcomePage') }),
 			product.documentationUrl ? new MenuItem({ label: mnemonicLabel(nls.localize({ key: 'miDocumentation', comment: ['&& denotes a mnemonic'] }, "&&Documentation")), click: () => this.windowsService.sendToFocused('vscode:runAction', 'workbench.action.openDocumentationUrl') }) : null,
 			product.releaseNotesUrl ? new MenuItem({ label: mnemonicLabel(nls.localize({ key: 'miReleaseNotes', comment: ['&& denotes a mnemonic'] }, "&&Release Notes")), click: () => this.windowsService.sendToFocused('vscode:runAction', 'update.showCurrentReleaseNotes') }) : null,
 			__separator__(),

src/vs/workbench/parts/walkThrough/electron-browser/editor/editorWalkThrough.ts

@@ -16,7 +16,7 @@ import { WALK_THROUGH_SCHEME } from 'vs/workbench/parts/walkThrough/node/walkThr
 
 export class EditorWalkThroughAction extends Action {
 
-	public static ID = 'workbench.action.editorWalkThrough';
+	public static ID = 'workbench.action.showInteractivePlayground';
 	public static LABEL = localize('editorWalkThrough', "Interactive Playground");
 
 	constructor(

src/vs/workbench/parts/welcomeOverlay/browser/welcomeOverlay.ts

@@ -96,7 +96,7 @@ const OVERLAY_VISIBLE = new RawContextKey<boolean>('interfaceOverviewVisible', f
 
 export class WelcomeOverlayAction extends Action {
 
-	public static ID = 'workbench.action.welcomeOverlay';
+	public static ID = 'workbench.action.showInterfaceOverview';
 	public static LABEL = localize('welcomeOverlay', "User Interface Overview");
 
 	constructor(
@@ -118,7 +118,7 @@ export class WelcomeOverlayAction extends Action {
 
 export class HideWelcomeOverlayAction extends Action {
 
-	public static ID = 'workbench.action.hideWelcomeOverlay';
+	public static ID = 'workbench.action.hideInterfaceOverview';
 	public static LABEL = localize('hideWelcomeOverlay', "Hide Interface Overview");
 
 	constructor(

src/vs/workbench/parts/welcomePage/electron-browser/welcomePage.html

@@ -34,13 +34,13 @@
 		<div class="commands">
 			<h2>Quick links</h2>
 			<ul>
-				<li><button data-href="command:workbench.action.welcomeOverlay"><h3>Interface overview</h3> <span>Get a visual overlay highlighting the major components of the UI</span></button></li>
+				<li><button data-href="command:workbench.action.showInterfaceOverview"><h3>Interface overview</h3> <span>Get a visual overlay highlighting the major components of the UI</span></button></li>
 				<li><button data-href="command:workbench.action.selectTheme"><h3>Color theme</h3> <span>Make the editor and your code look the way you love</span></button></li>
 				<li><button data-href="command:workbench.action.keybindingsReference"><h3>Keyboard shortcuts</h3> <span>A printable PDF with the most common keyboard shortcuts</span></button></li>
 				<li><button data-href="command:workbench.action.showCommands"><h3>Show all commands</h3> <span>Rapidly access and search commands from the control pannel (<span class="shortcut" data-command="workbench.action.showCommands"></span>)</span></button></li>
 				<li><button data-href="command:workbench.action.openGlobalSettings"><h3>Configure settings</h3> <span>Unlock the full power of VS Code by tweeking the settings</span></button></li>
 				<li><button data-href="command:workbench.extensions.action.showRecommendedKeymapExtensions"><h3>Change Default Keyboard Shortcuts</h3> <span>Install an extension to adopt the keyboard shortcuts from another tool</span></button></li>
-				<li><button data-href="command:workbench.action.editorWalkThrough"><h3>Interactive playground</h3> <span>Try essential editor features out in a short walkthrough</span></button></li>
+				<li><button data-href="command:workbench.action.showInteractivePlayground"><h3>Interactive playground</h3> <span>Try essential editor features out in a short walkthrough</span></button></li>
 			</ul>
 		</div>
 	</div>

src/vs/workbench/parts/welcomePage/electron-browser/welcomePage.ts

@@ -54,7 +54,7 @@ export class WelcomePageContribution implements IWorkbenchContribution {
 
 export class WelcomePageAction extends Action {
 
-	public static ID = 'workbench.action.welcomePage';
+	public static ID = 'workbench.action.showWelcomePage';
 	public static LABEL = localize('welcomePage', "Welcome");
 
 	constructor(