Tire is an important part of a vehicle, it provides cushioning and support for the weight of the car. It also helps with grip on the road and braking. The T in tire stands for tread. Tread is the portion of the tire that comes into contact with the ground. It is important to have good tread on your tires because it helps with traction and grip. If you have bald tires, it can be dangerous because you may slip or skid on wet roads.