Top Descriptors bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , finger control Uses complex applications of rhythms in order to test the player's tapping ability. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , bundled A map that might come pre-downloaded upon installing osu! for the first time. , collab A map with two or more associated mappers.