Final answer:
A turnabout is a way to turn the vehicle around and is commonly called a three-point turn. This maneuver includes moving to the right, reversing to the left, and moving forward again.
Step-by-step explanation:
A turnabout is a maneuver for turning your vehicle around to go in the opposite direction. One common type of turnabout is known as a three-point turn, sometimes also referred to as a Y-turn or K-turn.
This maneuver typically involves pulling over to the right side of the road, reversing sharply to the left back into an adjacent space or road, and then driving forward to complete the change in direction. So, the correct answer is:
c) a three-point turn.