Panel (computer software)

[Image:Boxes-ex2.jpg|frame|XUL Example]
A panel is "a particular arrangement of information grouped together for presentation to users in a window or pop-up". In ISPF, a panel is "a predefined display image that you see on a display screen". In modern multiple-document interface software a panel refers to a particular arrangement of information grouped together and presented to users docked '' in the user interface rather than floating in a window, pop-up or dialog box.
A panel graphical control element is commonly packaged as part of a widget toolkit for a graphical [user interface]. See toolbar and dialog box.