Line

Line menu commands include items the below.

Single Line Create a line.
Line Segments Create line segments.
Perpendicular 1 Create a line perpendicular from a curve.
Perpendicular 2 Create a line perpendicular to two curves.
Tangent 1 Create a line tangent from a curve.
Angled Create a line at a specified angle.
Bisector Create a line that bisects two lines.
4 Points Create a line from four points.
Normal to Surface Create a line normal to a surface.
Vertical to CPlane Create a line perpendicular to the CPlane.