Purpose: describe what a widget is

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A ''widget'' is a term used in graphical user interface (GUI)
circles in connection to some component of a GUI application.  
While most widgets have the potential of visual representation,
this need not be the case - for instance, container widgets
like frames don't actually show up on the screen.

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Some systems call these "controls."  I've also heard "gadgets."  -- CLN

Ah, no. At least with regard to Motif, and possibly in general, a "gadget" is a lightweight widget that doesn't create its own window. It takes a piece of its parent-widget's window, and draws itself into that. -- EE