This dates to when music was sold on records. The small ones, normally a 45 speed, had one selection or song (on each side), generally the one that was considered desireable enough to buy. An album...
An EP was a few song (normally 3-5) released by an artist as compared to a whole album which contained normally 8 or more. An EP was used to promote an artist's music very much like a single which...
An album refers to a collection of music tracks, regardless of format. Albums can be released on vinyl, tape, CD, digitally, etc. A record refers to an album release on vinyl.
The terms record and...