What are the major code portions of WPF?

What are the major parts of WPF?

1. Presentation Framework - Provides presenation elements such as Layouts, animations, databinding.
2. Presentation Core - Provides managed wrapper for milcore and core services of WPF (such as property system, message dispatching system).
3. milcore - MIL - Media Integration Layer. Integrating the code to DirectX. It is written in unmanaged code.