<span>subject matter: the subject, what it's "about", it's "purpose" (aka: porpoise), etc...
composition: how it's composed. The craft and skill style/level/appearance of the particular work. How things are placed, how they're done, etc... </span>Rimbaud/Rambo <span>· </span>
The number of people can range anywhere between 2-20 people and the performances are usually done in a line formation with interesting patterns of where people are placed.