Center - snaps to the center point of a circle, arc, or ellipse
Center of the object - snaps to the centroid or center of mass of an object
End point - snaps to the endpoint of a line, arc, or other entity
Insertion - snaps to the insertion point of text, blocks, or other objects
Middle point - snaps to the midpoint of a line or arc
Nearest - snaps to the nearest point on an entity
Node - snaps to a point entity
Perpendicular - snaps to a point perpendicular to a line or arc
Quadrant - snaps to the quadrant points of a circle or ellipse (0°, 90°, 180°, 270°)
Tangent - snaps to a point tangent to a circle or arc
Enumeration of object snap modes used in AutoCAD.
Object snap modes define the types of geometric points that can be snapped to when drawing or editing entities. These modes help ensure precise positioning and alignment of objects.