Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , collab A map with two or more associated mappers. , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , freeform An unrestrained and loose approach towards visual structure. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , high sv Features prominent high slider velocity usage as a key part of map design. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , chaotic Unpredictable map design, often testing unusual skillsets. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern.