Graphics Interchange Format
/ˈgræfɪks ˌɪntərˈʧeɪnʤ ˈfɔrˌmæt/
A still or animated image format for the internet.
A graphics interchange format, commonly called by its acronym GIF, is a popular image used for logos on the web. GIFs are not usually used for intricate photographs because they are limited to a palette of 256 colors, however they can be used for buttons with solid areas of color for a web page.
Image File Type, Joint Photographic Experts Group (JPEG), Portable Network Graphics (PNG)