(1) A short name for Windows; for example, Win95 or Win98. The executable program name that launched Windows 3.0 and 3.1 was WIN.EXE. It certainly didn't hurt Microsoft to have millions of people type in the word "win" every time they launched Windows.

(2) All the Windows "how to's" in this encyclopedia contain a "Win" prefix.

(3) (WIN) (Wireless Intelligent Network) An information and control system for cellular phone networks. It includes the signaling protocol and all service and transaction processing components. Also known as IS-41 and ANSI-41. WIN and EDGE are key elements in the UWC Consortium's UWC-136 initiative. See UWC Consortium.