medium - a means or instrumentality for storing or communicating information

concept album - an album whose recording are unified by some theme (instrumental or lyrical or narrative or compositional)

autograph album - an album for autographs

book, volume - physical objects consisting of a number of pages bound together; "he used a large book as a doorstop"

phonograph album, record album - an album for holding phonograph records

photograph album - an album for photographs

scrapbook - an album into which clippings or notes or pictures can be pasted

stamp album - an album for stamps