Here you can configure the behavior of your desktop. This is where you would go to configure options such as showing or hiding desktop icons, showing tooltips and icon layout. You can also specify if you would like to see previews of particular filetypes on the desktop, and which devices you'd like to see icons for.

This is where you would configure the number of virtual desktops or workspaces you would like to have, and what you would like them to be called. By default KDE has 4 virtual desktops, and you can configure up to 20. You can also enable switching between virtual desktops using the scroll button on your mouse.

Here you can modify options to do with Kicker and other KDE panels. Among the options are size, position, length and hiding. You can also modify the appearance of the panel with transparency, background images and icon zooming. This is also where you would configure various menu options including what applications you'd like to show in your K menu.

The Taskbar module allows you to configure options related to your taskbar. You can configure whether to show windows from all desktops, grouping of similar tasks and what actions you would like to assign to your mouse buttons.

This is where you would configure options related to the behavior of KDE's window manager, KWin. KWin is extremely configurable and has advanced features such as focus stealing prevention and different focus policies such as focus follows mouse. You can also configure what actions you would like to bind to certain keys and mouse events.

This is an advanced configuration dialog where you can set options for the behavior of specific windows. There are many options here for the fine tuning of your window layout, including what position on the screen you would like certain windows to open to, and whether they should be shown on the taskbar or pager. You can select windows by application, or even by their specific role within an application.