Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , collab A map with two or more associated mappers. , tournament custom A custom map for a playing tournament. , custom song Maps a song made specifically for the map. This includes songs created for a mapping contest which the map participated in.