How does the Audi R8's use of carbon fiber improve its performance?

I've heard that the Audi R8 uses a lot of carbon fiber in its construction, but I'm not sure why that's important. Can someone explain how this affects the car's performance?

Carbon fiber is key in making the Audi R8 lightweight and strong. This allows for better acceleration, handling, and overall performance.

The use of carbon fiber in the Audi R8 also helps with fuel efficiency, making the car more eco-friendly.

Not only does carbon fiber improve the performance of the Audi R8, but it also adds to the sleek and sporty aesthetic of the car.