With Track View in Dope Sheet mode, right-click a green master key of a Master Point controller to open the Master Track Key Info dialog. This dialog lists all sub-keys of the Master Point controller at a given point in time, and gives easy access to each sub-key's data. To access the info for a sub-key, click it in the list.
Moves to the next or previous key.
Moves the master key to a different frame or time.
Displays all the animated sub-object keys at a particular frame or time.
Select a node in the List Window and the corresponding node in the viewports is selected, if the corresponding sub-object level is active.
Displays and lets you adjust interpolation and position. See Bezier Controller.