5.1.3 Virtual DesktopsTo avoid your desktop getting cluttered with windows you can use virtual desktops to organize your applications and be more productive. In the panel you'll find a small grid, this is the desktop pager, use it to switch between your virtual desktops.
You can also use the desktop grid effect to get a big overview of your virtual desktops, try pressing Ctrl+F8 (requires desktop effects support, see the paragraph on this topic below).