Merge pull request MicrosoftDocs#2230 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to master to sync with https://github.com/MicrosoftDocs/powerapps-docs (branch live)

Author: Nkrb

powerapps-docs/developer/component-framework/custom-controls-overview.md

@@ -19,7 +19,7 @@ You add code components by including them in a solution and then import it into
 Code components consist of three elements:
 
 - [Manifest](#manifest)
-- [Component implementation library](#component-implementation-library)
+- [Component implementation](#component-implementation)
 - [Resources](#resources)
 
 ## Manifest
@@ -34,9 +34,9 @@ Manifest is the metadata file that defines a component. It is an XML document th
 
 When a user configures a code component, the data in the manifest file filters out the available components so that only valid components for the context are available for configuration. The properties defined in the manifest file for a component are rendered as configuration fields so that the user configuring the component can specify the values. These property values are then available to the component  at runtime. More information: [Manifest schema reference](manifest-schema-reference/index.md)
 
-## Component implementation library
+## Component implementation
 
-Implementing the component library is one of the key steps when you are developing code components using Power Apps component framework. Developers can implement a component library using TypeScript. Each code component must have a library that includes the definition of a function, which returns an object that implements the methods described in the code component interface. 
+Implementing the component is one of the key steps when you are developing code components using Power Apps component framework. Developers can implement a component  using TypeScript. Each code component must have a main index.ts file that includes the definition of a function, which returns an object that implements the methods described in the code component interface. This file is autogenerated via CLI tooling with main stub methods.
 
 The object implements the following methods: