Top Descriptors avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , gimmick Focused on a single unique design or gameplay idea. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , repetition Features the use of recognizable identical patterns or gameplay elements. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , 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'. , high sv Features prominent high slider velocity usage as a key part of map design. , cutstreams Streams in which the spacing of certain notes is much larger than the rest of the stream.