A vehicle's chassis is the main framework that supports the body and components of the vehicle. It includes the frame, suspension, and axles, providing structural integrity and stability. The chassis is essential for the vehicle's performance, as it affects handling, safety, and comfort. The chassis also houses critical systems such as the engine, transmission, and brakes. It serves as the foundation for mounting various parts, ensuring they work together effectively. A well-designed chassis contributes to the overall durability and efficiency of the vehicle, making it a vital aspect of automotive engineering.