This document defines and describes multimedia. It begins by explaining that multimedia involves the sequential or simultaneous use of various media formats like text, visuals, audio, and interactivity in a presentation. It then defines multimedia as coming from the Latin roots "multi" meaning many, and "media" meaning middle, referring to using many forms of communication. The document outlines the basic types of multimedia which include text, graphics, sound, video, and animation. It also briefly discusses the advantages and disadvantages of using multimedia.