PC
SNAP TO POINT CLOUDS / Snaps to point cloud.
SC
CENTRES / Snaps to centre
SE
ENDPOINTS / Snaps to endpoints.
SI
INTERSECTIONS / Snaps to intersection.
SM
MIDPOINTS / Snaps to midpoint.
SN
NEAREST / Snaps to nearest.
SO
SNAPS OFF / Turns snaps off.
SP
PERPENDICULAR / Snaps to perpendicular.
SQ
QUADRANTS / Snaps to quadrant.
SR
SNAP TO REMOTE OBJECTS / Snaps to objects that are not near the element.
ST
TANGENTS / Snaps to tangent.
SW
WORK PLANE GRID / Snaps to the work plane grid.