The Line tool will draw a Two-Point Line in Trace.
Initial Position (Anchor)
Terminating Position (Anchor)
When drawing:
Left-Click sets the Point under the Cursor.
Right-Click Snaps to the nearest Point.
Hold down the CTRL key to draw in Ortho Mode; i.e., Horizontally/Vertically only.
After it is drawn, a Center point will be displayed, which can be moved to alter the line into an Arc.
Changing a Line into an Arc: Draw Section: Trace
Drawing a Line: Draw Section: Trace
Line Design Details: Trace
Line Tool: Draw Section: Trace
Ortho Mode
Show Control Points: Trace
Show Cut Order Numbers: Trace
Show Start Points: Trace