What does shifting to D mean?

[DeEvangeline]

Shifting to D means shifting to Drive gear. In automatic transmission vehicles, D stands for Drive gear, which is used for normal forward driving by placing the gear selector in the D position. D gear is the commonly used gear: When driving on the road, simply engaging this gear allows the vehicle to move, and the driver only needs to operate the accelerator and brake. P gear is the Parking gear: When stopping the vehicle by applying the brakes, engaging P gear locks the wheels, preventing the car from moving. R gear is the Reverse gear: Used when reversing the vehicle. N gear is the Neutral gear: Generally used when waiting at traffic lights. S gear is the Sport mode: It keeps the engine running at high speed, increasing the car's power output.