Multimedia is a combination of different media types like text, audio, images, animations and video that is delivered interactively. It allows for non-linear experiences through hyperlinks. There are many types of multimedia products including briefing products for quick presentations, reference products for information browsing, database products for storing and accessing large amounts of data, education products for teaching, kiosk products for public information access, and entertainment products like games. Each product type has distinct characteristics and purposes.