What do the gears on an automatic car mean?

The gears on an automatic car indicate the transmission's settings that control how the vehicle shifts between different speeds and power levels. Common settings include "P" for park, "R" for reverse, "N" for neutral, and "D" for drive, which allows the car to automatically change gears based on speed and acceleration. Some automatic transmissions also have additional settings like "L" for low gear or sport modes for enhanced performance. Understanding these gears helps drivers optimize the vehicle’s performance and safety while driving.