POINT allows you to create a point choosing from the
following options:

POSITN - to create a point at an indicated position.

ON ARC - to create a point by selecting an arc or circle 
on which to create a point entity.

SEGMENT - to create a point on a selected entity by 
segmenting the entity.

MESH - to create a point mesh approximation of a two-
curve, three-curve, or four-curve swept surface; a 
tabulated cylinder; a surface of revolution; a sphere;
or a ruled surface.

ON SPLN - to recreate node points in the form of point 
entities on a previously created spline.
