The items in this menu control
the visibility of various user interface elements, including the
Status Line, the Shelf, the Time Slider, and so on.
Hide All UI Elements
Hide all UI parts so only the panels and menus are
visible.
Show All UI Elements
Show all UI parts.
Restore UI Elements
Restores the visibility of UI parts to their
state before you selected Hide All UI Elements. If certain parts
were hidden before you selected Hide All UI Elements,
they will still be hidden.
