Glossary You Are @ Home/ Glossary A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z G Gateway The connection that permits messages to flow freely between two networks. GIF Graphics Interchange Format. A graphical file format commonly used to display indexed-color images on the World Wide Web. GIF is a compressed format, designed to minimize file transfer time over standard phone lines.