Gateway   The technical meaning is a hardware or software set-up that translates between two dissimilar protocols, for example Prodigy has a gateway that translates between its internal, proprietary e-mail format and Internet e-mail format. GIF File   The most common type of image file used on the Internet. These files are compressed so they take up the minimum amount of space & can therefore be downloaded a lot quicker than other graphics file. GIF files are typically used for: Backgrounds, displaying banners, advertisements, buttons. The files unlike other graphical file types are limited to 256 colors. Gopher   An application, whose purpose is to locate, retrieves & records information from the Internet. Developed at the University of Minnesota in 1991.