The Panel contains the Application Starter button, buttons for switching virtual desktops, a clock, and various other swallowed icons placed there by default or by the user.
The Location buttons select which side of the screen the Panel is attached to. Choices are: top, left side, bottom, or right side.
The Taskbar displays a list of running applications. It can be hidden, displayed horizontally along the top or bottom of the screen, or vertically downwards from the top/left corner.
The Style buttons choose between three sizes of the panel: Tiny, Normal, or Large. This choice affects the size of icons used in the panel, and the placement of virtual desktop buttons, etc.