Team composition: the five champions picked together and the plan they add up to. Named by what it does: poke comp, engage comp, all ad comp.
team chat
what you type
our comp is better late
in full english
Our team composition is better late game.
the context
"comp" is mostly used to compare the two teams in champ select or on the loading screen: "their comp is all engage", "our comp is better late". The word after it names the plan.