W
W3C	World Wide Web Consortium. Standards body responsible for HTML and XML.
WAN	Wide-area network. Data communications network that serves users across a broad geographic area and often uses transmission devices provided by common carriers. Examples include Frame Relay, SMDS, and X.25.
wav	File extension for an audio file. See also au.
WIC	Wide-area-network interface card.
WWW	World Wide Web. Large network of Internet servers providing hypertext and other services to terminals running client applications, such as a browser.