A "Driver" is a person who operates a vehicle, such as a car, truck, or bus. Their primary responsibility is to transport passengers or goods safely from one location to another. Drivers must follow traffic laws and regulations to ensure the safety of themselves and others on the road. In the context of technology, a "Driver" can also refer to software that allows the operating system of a computer to communicate with hardware devices, like printers or graphics cards. This software ensures that the hardware functions correctly and efficiently within the system.