# Ability Development
> **NOTE**<br/> > This folder is deprecated. Read [Application Models](../application-models/Readme-EN.md) instead.
- [Ability Framework Overview](ability-brief.md) - [Context Usage](context-userguide.md) - FA Model - [FA Model Overview](fa-brief.md) - [Page Ability Development](fa-pageability.md) - [Service Ability Development](fa-serviceability.md) - [Data Ability Development](fa-dataability.md) - [FA Widget Development](fa-formability.md) - Stage Model - [Stage Model Overview](stage-brief.md) - [Ability Development](stage-ability.md) - [Service Extension Ability Development](stage-serviceextension.md) - [Ability Continuation Development](stage-ability-continuation.md) - [Ability Call Development](stage-call.md) - [Stage Widget Development](stage-formextension.md) - Other - [WantAgent Development](wantagent.md) - [Ability Assistant Usage](ability-assistant-guidelines.md)
- [ContinuationManager Development](continuationmanager.md)
- [Test Framework Usage](ability-delegator.md)