User interface elements for multiple displays

One or more computer storage devices storing information to enable a computing device to perform a process, the process comprising:

• executing applications having respective application windows displayable by a windowing system executing on the computing device;
• displaying a first application window on a first display connected with the computing device and displaying a second application window on a second display connected with the computing device, each application window substantially fully occupying the display on which it is displayed;
• enabling a user to direct input to the first display to interact with the first application window while concurrently enabling the user to direct input to the second display to interact with the second application window;
• providing an application-list comprising a set of application representations that when displayed can be interacted with by the user to open application windows of respectively represented applications, the application-list able to be displayed, at any given time, responsive to user input, by either (i) only one display at a time or (ii) by both displays at a time;
• responsive to user input directed to an arbitrary one of the displays, displaying the application-list over either the first application window or the second application window, according to which one of the displays the user input is directed to;
• and
• responsive to further user input selecting one of the application representations:
• undisplaying the application-list and displaying a third application window corresponding to the selected application representation on the one of the displays while maintaining the displaying of the first or second application window on the display other than the one of the displays.