Top Descriptors flow aim Patterns with fully continuous cursor movement, usually due to a combination of wide angles and little time between objects. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , stamina Tests a player's ability to tap dense rhythms over long periods of time. , progression Contains a gradual advancement in difficulty or concept across the map.