What is Traffic Jam Assist in the Audi A7?

I've heard about the Traffic Jam Assist feature in the Audi A7, but I'm not sure what it does. Can you explain its purpose and how it works?

Traffic Jam Assist in the Audi A7 uses radar sensors and cameras to detect vehicles ahead and can automatically maintain a safe distance, brake, and accelerate in slow-moving traffic or stop-and-go traffic situations. It can also steer the vehicle within certain lane markers, allowing for a more relaxing driving experience.