This document discusses multimedia and provides an overview of key topics. It defines multimedia as content that uses a combination of different media types like text, audio, images, video and interactive content. The history of multimedia is explored, noting how newspapers were early adopters of multiple media elements. Multimedia is then categorized as either linear or non-linear, with linear following a set sequence and non-linear allowing free movement. Features of multimedia like text, audio, images, video and animation are described. The document also outlines applications of multimedia in areas like commercial, entertainment, education and engineering. It concludes by discussing the future potential of multimedia.