| Word | Description |
| W3C (The World Wide Web Consortium) | An organisation dedicated to the standardisation of Internet related technologies. |
| Web browser | See browser. |
| Web cam | A web site featuring real-time video broadcasting from one or more locations. |
| Web page | A document that is located on the World Wide Web. Web pages are created using HTML which defines the contents of a web page such as images, text, hypertext links, video and audio files. |
| Web site | A related collection of web files that includes a beginning file called a home page. A user accesses the other pages of the site from the home page. |
| WHOIS | A TCP/IP utility program that allows you to query compatible servers for detailed information about other Internet users. |
| Wide area network (WAN) | A number of computers separated by distance, but joined via dedicated lines. |
| World Wide Web (WWW) | The entire collection of web pages that are distributed across the Internet, which are accessed via a web browser. |
| Worm | Self replicating programs that tie up computer and network resources, and are easily transmitted to other computers in the same way that viruses are spread. |
| WYSIWYG | Pronounced 'wizzywig', this term means 'what you see is what you get'. Essentially it means that what you see on your screen when working with a document is what you will have on paper when you print the document. |