Top Descriptors symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , old-style revival Emulates a style closely associated with early mapping, typically to pay homage or invoke nostalgia. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , progression Contains a gradual advancement in difficulty or concept across the map. , marathon A map with a drain time of over 5 minutes. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult. , storyboard Contains a storyboard that enhances gameplay experience.