Playlist Editor: opens the Playlist Editor window.

Director: opens the Director window.

Mixer: opens the Mixer window.

Instrument Rack: shows or hides the widget of the main window containing both the Instrument Editor and the Sound Library.

Automation Path: shows or hides the Automation Path panel.

Timeline: shows or hides the Timeline panel.

Playback Track: shows or hides the Playback Track panel.

Full screen: maximises the window size to the whole screen area.