1. A meta-thing. Used to stand for a real object in didactic examples (especially database tutorials). Legend has it that the original widgets were holders for buggy whips. "But suppose the parts list for a widget has 52 entries..."
2. [possibly evoking "window gadget"] In graphical user interfaces, a combination of a graphic symbol and some program code to perform a specific function. E.g. a scroll-bar or button. Windowing systems usually provide widget libraries containing commonly used widgets drawn in a certain style and with consistent behaviour.
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Nearby terms: Wide Area Telecommunications Service « Wideband ATM « Wide SCSI « widget » wi-fi » Wi-Fi Protected Access » Wi-Fi Protected Access Pre-Shared Key