Rotates the active dock.
If the dock is minimised, it is turned on its side, otherwise the rows and columns are switched round.
Minimise / Maximise
Minimise shrinks the window of the active dock to contain just the dock title.
Maximise returns the active dock to its normal size.
[ list of docks ]
Brings the corresponding dock to the front, showing it if necessary.
Checked if this is the frontmost window.