A "cassette" refers to a small plastic case that holds a strip of magnetic tape. It was commonly used in the past to store and play audio recordings or music. Full definition
3.8 L V8, automatic transmission, power steering, power brakes, power windows, power antenna, remote side mirrors, A / C, AM / FM with cassette player, bucket seats, leather interior, dual exhaust, stock wheels, RWD, also included: rack for top, car cover, dash cover and owner's manual. (playtoysclassiccars.com)
The interior was upgraded and added a center console with cassette tape storage. (en.wikipedia.org)
A new digitization project emerged as I was finishing this column — we have a small collection of cassette tapes of talks given by various staff and executives of one of my client tribunals. (slaw.ca)