Turbo Play uses polymorphic tracks. A track (or a layer, in video editor) can contain any number of parts and a part can contain any sort of information (audio, midi, automation, video, animation, script etc). Turbo Play also supports scenes which are track collections. You can have one active scene at a time.

The arranger features common part operations:
Video Arranger
The video workspace is similar to the audio workspace.
The differences are: