Click on this button to minimize all open windows and show the desktop. Click it again to restore all of the windows to their previous state.

Displays a button for each window that is open. The Window List enables you to minimize and restore windows. For more on this, see Section 4.9.4 ― Window List.

Enables you to switch between your workspaces. For more on workspaces, see Section 2.4 ― Workspaces.