What is the difference between PTP (point-to-point) and LIN (linear) motion?

• A. PTP moves to a target pose; LIN moves along a straight line with constant orientation.
• B. The two motions are identical.
• C. LIN moves along a straight line with constant orientation; PTP moves to a target pose.
• D. PTP moves to a target pose; LIN moves along a straight line to the target with constant orientation.

Answer: (D)