Which signal indicates an intention to move into the left or turn left?

The signal indicating an intention to move into the left or turn left is represented by the choice that communicates the specific action of moving left. When a driver signals with the left turn indicator or uses hand signals, they are informing other road users of their intention to make a left turn or to change lanes to the left. This is crucial for maintaining safety on the road, as it allows other drivers and pedestrians to anticipate the driver's actions and adjust accordingly.

The other choices represent intentions that do not correlate with the action of turning left. Indicating a right turn, stopping, or speeding up does not communicate a movement to the left, as they imply entirely different actions on the roadway. Understanding this signaling is essential for effective communication between drivers and ensuring the smooth flow of traffic.