Who is defined as every individual who operates or is in physical control of a vehicle?

The term that accurately describes every individual who operates or is in physical control of a vehicle is "Driver." This definition encompasses anyone driving a vehicle, highlighting their responsibility and the authority they hold while behind the wheel. In legal terminology, the driver is often the person who has direct control over the vehicle and is thus accountable for its operation and any actions taken while driving. As such, this definition plays a critical role in understanding liability in traffic laws and regulations.

Other terms, while related, do not encompass the full scope of physical operation and control as defined by the law. "Operator," for instance, may refer to a broader category that includes various roles in vehicle operation that may not necessarily denote someone directly driving the vehicle. "Navigator" typically refers to someone assisting with directions and is not responsible for vehicle operation. "Vehicle Controller" is not a standard legal term commonly used to define the individual behind the wheel, making "Driver" the precise choice in this context.