“Edition” is the description we use when having different lengths of a music piece separated into unique, easy to use audio files. When delivering a piece of brand music, we usually also deliver a variety of variations on that music piece which is tailor made for other lengths, for example 10 seconds, 20 seconds and 45 seconds.
These lengths are based on needs from the client. Maybe there is a need for the music to be able to fit a 60 second TV commercial with the audio logo embedded in the end. We then take the original composition and scale it down into a 60 second format.
Editions usually have the audio logo play at the end, to make sure that it is used consistently and correctly.
A more advanced type of toolbox asset is an element.