A drawbar is like a special stick that connects a vehicle (like a tractor) to another thing that needs to be moved (like a trailer or a plow). Imagine if you had a toy wagon and you wanted to pull it around. You would need to use a stick (like a drawbar) to connect the wagon to the car you're using to pull it. This stick helps transfer the power from the car to the wagon so it can move.
Similarly, in the grown-up world, drawbars are used to connect a tractor to a trailer or other equipment like a plow or a cultivator. The drawbar is usually located underneath the tractor and is designed to distribute the weight of the equipment evenly between the tractor and the wheels. This helps the tractor move the equipment without getting stuck in the ground.
In short, drawbars are like special sticks that help connect a vehicle to something else that needs to be moved, like a trailer or equipment. It's kind of like when you play with your toys and use a stick to pull your wagon around, only bigger and stronger!