<Table> <Tr> <Td> </Td> <Td> This article possibly contains unsourced predictions, speculative material, or accounts of events that might not occur . Information must be verifiable and based on reliable published sources . Please help improve it by removing unsourced speculative content . (February 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article possibly contains unsourced predictions, speculative material, or accounts of events that might not occur . Information must be verifiable and based on reliable published sources . Please help improve it by removing unsourced speculative content . (February 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> In computing, a windowing system (or window system) is software that manages separately different parts of display screens . It is a type of graphical user interface (GUI) which implements the WIMP (windows, icons, menus, pointer) paradigm for a user interface . </P> <P> Each currently running application is assigned a usually resizable and usually rectangular shaped surface of the display to present its graphical user interface to the user; these windows may overlap each other, as opposed to a tiling interface where they are not allowed to overlap . Usually a window decoration is drawn around each window . The programming of both the window decoration and of available widgets inside of the window, which are graphical elements for direct user interaction, such as sliders, buttons, etc., is eased and simplified through the use of widget toolkits . </P>

Which x window system element is the main component of the system