GD
GD Library, GD is an open source code library for the dynamic creation of images GD can create PNG, JPEG and GIF images, and other formats. GD can be used to generate charts, graphics, and thumbnails.
GIF
graphic interchange file, a graphics format that can be displayed in web browsers. They display in 256 colors and have built-in compression. GIF files are also used for animated web graphics.
Gigabyte
computer memory or disk space which consists of about one thousand million bytes, one thousand megabytes. The actual value is 1,073,741,824 bytes 1,024 megabytes.
GoLive
A WYSIWYG HTML editor from Adobe
Guestbook
A guestbook is a script on a web page with a form that allows visitors of a website to sign and leave comments. It can be found in multiple web based programming languages, Perl, PHP, etc.