This document defines multimedia and its components. Multimedia refers to using multiple forms of media like text, audio, images, video, and other formats together in a presentation or self-study. Key components of multimedia include text, images, audio, video, and animation. Common file formats associated with these components are also provided like JPEG, MP4, MOV, and GIF. The document also lists examples of different types of multimedia like websites, films, radio programs, and social media.