FTP File Transfer Protocol. Ability to transfer rapidly entire files from one computer to another, intact for viewing or other purposes. Host Computer that provides web-documents to clients or users. A small picture that represents an object or program. Icons are very useful in applications that use windows, because with the click of a mouse button you can shrink an entire window into a small icon.
Icons are a principal feature of graphical user interfaces.
An intranet may be on the Internet or may simply be a network. Every machine that is on the Internet has a unique IP address. If a machine does not have an IP number, it is not really on the Internet. Most machines also have one or more Domain Names that are easier for people to remember. Proxy Server A server that sits between a client application, such as a Web browser, and a real server.