1. P (Park): This is the parking gear. When you put your car in park, the transmission is locked and the car cannot move.
2. R (Reverse): This is the reverse gear. When you put your car in reverse, the car will move backwards.
3. N (Neutral): This is the neutral gear. When you put your car in neutral, the car will not move even if you press the gas pedal.
4. D (Drive): This is the drive gear. When you put your car in drive, the car will move forward when you press the gas pedal.
5. B (Brake): This is the brake gear. When you put your car in brake, the car will stop and hold its position even on a hill.