CD-video is a type of optical disc used for storing digital video and audio files. However, there are several synonyms for this term that are commonly used. Some examples include Digital Versatile Disc (DVD), Blu-ray Disc, and Ultra HD Blu-ray. These terms differ from CD-video in their storage capacity, playback quality, and compatibility with different media devices. DVD, for instance, offers a higher capacity than CD-video, allowing for more content to be stored on a single disc. Blu-ray Disc and Ultra HD Blu-ray, on the other hand, offer even higher quality video playback, making them ideal for high-definition content. Regardless of the term used, these optical discs continue to play a vital role in the home entertainment industry.