Brazilian Jiu-Jitsu is a martial art that focuses on ground fighting and submission techniques. It emphasizes using leverage and technique rather than brute strength, allowing practitioners to control and submit opponents effectively. The art is known for its strategic approach to grappling, where mastering positions and transitions plays a key role in overcoming larger or stronger adversaries. BJJ integrates both self-defense and sport aspects, making it a versatile and practical discipline for various combat scenarios.