Top Descriptors precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , linear aim Patterns, usually jumps, that require the player to move continuously in a straight or nearly straight line.