An album is a collection of audio recordings issued on a medium such as compact disc, vinyl, or audio tape, or in digital format.
Albums c. 2000 came on compact discs stored in jewel cases (pictured is Hey Petrunko by Ooberman).
Early record albums from the first half of the 20th century resembled photo albums, being packaged in book form on multiple 78 rpm records.
A vinyl LP on a turntable
A typical 8-track tape player
An extended play is a musical recording that contains more tracks than a single but fewer than an album. Contemporary EPs usually contain up to eight tracks and have a playing time of 15 to 30 minutes
Album
…disc, MiniDisc, compact audio cassette, 8-track tape and digital albums as they were introduced. An album would typically have more tracks than an extended play (EP) record, which might contain only a 'single' (a single track released on its own), or two or three songs released together. An album (Latin albus…
Extended-play vinyl record of Michael Nesmith's "I Fall to Pieces" with four tracks
EP Pat Boone Sings the Hits, compiling four songs by Pat Boone
A Seeburg Select-O-Matic 200 Jukebox advertising "EP Album Records" in Buenos Aires