1# Ability Development 2 3> **NOTE**<br/> 4> This folder is deprecated. Read [Application Models](../application-models/Readme-EN.md) instead. 5 6- [Ability Framework Overview](ability-brief.md) 7- [Context Usage](context-userguide.md) 8- FA Model 9 - [FA Model Overview](fa-brief.md) 10 - [Page Ability Development](fa-pageability.md) 11 - [Service Ability Development](fa-serviceability.md) 12 - [Data Ability Development](fa-dataability.md) 13 - [FA Widget Development](fa-formability.md) 14- Stage Model 15 - [Stage Model Overview](stage-brief.md) 16 - [Ability Development](stage-ability.md) 17 - [Service Extension Ability Development](stage-serviceextension.md) 18 - [Ability Continuation Development](stage-ability-continuation.md) 19 - [Ability Call Development](stage-call.md) 20 - [Stage Widget Development](stage-formextension.md) 21- Other 22 - [WantAgent Development](wantagent.md) 23 - [Ability Assistant Usage](ability-assistant-guidelines.md) 24 - [ContinuationManager Development](continuationmanager.md) 25 - [Test Framework Usage](ability-delegator.md) 26