There are a variety of synonyms for the words "tape cassette," which was a popular audio storage format through the late 20th century. Some common synonyms include cassette tape, audio cassette, cassette player, cassette deck, and compact cassette. Other less-known synonyms for the tape cassette include magnetic tape, reel-to-reel recording, and digital audio tape. While the popularity of cassette tapes has waned in the digital age, many people still have collections of tapes and some still rely on cassette decks or players to listen to music or record audio. Despite the emergence of other audio technologies, the tape cassette remains an important and historically significant format.