Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , collab A map with two or more associated mappers.