Top Descriptors cutstreams Streams in which the spacing of certain notes is much larger than the rest of the stream. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , tech Tests uncommon skills. , slidershapes Uses a large variety of slider designs. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , chaotic Unpredictable map design, often testing unusual skillsets. , 2B Includes gameplay elements with two or more objects placed simultaneously. The term originates from a Chinese transliteration of 'idiot'. , gimmick Focused on a single unique design or gameplay idea. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , complex sv Changes slider velocity by large amounts in order to test the player's reading ability.