Top Descriptors improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , flow aim Patterns with fully continuous cursor movement, usually due to a combination of wide angles and little time between objects. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , linear aim Patterns, usually jumps, that require the player to move continuously in a straight or nearly straight line. , wide aim Patterns, usually jumps, with heavy use of wide angle movement. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , overlap reading Contains patterns where overlapped objects make determining note order and/or timing difficult. , custom skin Utilizes custom skin elements and graphics.