VW

Web casting Using the Internet, and the World Wide Web in particular, to broadcast information. Unlike typical surfing, which relies on a pull method of transferring Web pages, webcasting uses push technologies.
WebTV A general term for a whole category of products and technologies that enable you to surf the Web on your TV. Most WebTV products today consist of a small box that connects to your telephone line and television. It makes a connection to the Internet via your telephone service and then converts the downloaded Web pages to a format that can be displayed on your TV. These products also come with a remote control device so that you can navigate through the Web
Video compression Data reduction and compression of an analog television signal into a digital stream. It is used on SIRIUS to allow about ten channels to be broadcasted through a single transponder (33MHz).
Video-on-Demand Films provided to subscribers from a menu of titles. The film starts on the subscriber's request. See Near Video-on-Demand also.
VSAT The abbreviation stands for Very Small Aperture Terminal. It is totally independent of existing infrastructure and uses small (1.2 – 2.4m) satellite dishes for sending information between two points, or from one point to several others.