What are the front position lights, width lights and profile lights of car lights? Specifically, what is the difference between the front position lights and profile lights?

Headlights at the front of the car include: position lamp, front position lamp, far and near headlights, turn signals and fog lights. Some cars are all integrated, and the taillights of cars include: rear position lights, brake lights, reversing lights, turn signals and license plate lights. Front and rear position lights, commonly known as small lights and position lights, are also called width lights, position lights and width lights. It's the lights on the far side of the front and rear. The edge mounted on the top of the car can indicate the height and width of the car. The outline lights on the car are usually called small lights, and the front and rear sides of the car are called width lights. It is mainly used to show the existence and approximate width of a car so that other vehicles can see it when driving at night.