Control pane area, such as sidebars / task panes or ribbon bands.
Any area that can be placed in the bottom portion of its window.
Any area that can be placed in the top portion of its window. Menu bar is an example of a core Aurora component.
The default decoration area type. Components placed in areas with this type do not get any special background decoration painting.
Title pane of top-level windows (frames, dialogs).
Toolbar.