What is Audi A4's Quattro system?

I've heard about Audi's Quattro system but I'm not sure what it does. Can someone explain its function?

The Audi A4's Quattro system is a full-time all-wheel drive system that distributes power to all four wheels for increased traction and stability. It uses sensors to detect wheel slip and proactively distributes power before it's needed, providing better handling and performance on all road surfaces.

Audi's Quattro system is known for its superior handling and improved safety on the road. It offers great performance and grip in all weather conditions, making it a popular choice for those living in areas with harsh winters.

In simple terms, the Quattro system is a technology that helps your car stay in control on the road. It constantly monitors road conditions and adjusts power distribution to ensure maximum grip and stability. It's like having four-wheel drive all the time, even on dry roads.