How does Audi's Shift-by-Wire Technology Work in the A3?

I heard that the Audi A3 uses a Shift-by-Wire system to shift gears. Can anyone explain how this technology works and how it differs from a traditional manual or automatic transmission?

Audi's Shift-by-Wire technology is a fully electronic system for shifting gears. This means that there is no mechanical connection between the shifter and the transmission. Instead, the shifter sends electronic signals to the transmission, allowing for quicker and more precise shifts.

Unlike a traditional manual or automatic transmission, the Shift-by-Wire system in the Audi A3 uses actuators to physically move the gears instead of relying on a mechanical linkage. This results in faster and smoother gear changes, providing a more enjoyable driving experience.