For the purpose of this Division the following words and phrases shall have the meanings respectively ascribed to them by this Section. Department means the Department of the Environment. Director means the Director of the Environment, or the Director's designee. License means the license to engage in the business of towing vehicles within the boundaries of Prince George's County, Maryland, and issued pursuant to this Division. License number means the number of the license issued by the Department. Motor Vehicle means any vehicle which is self-propelled or propelled by electric power obtained from overhead trolley wires, but not operated upon rails and shall include motorcycles which means a vehicle having a saddle for the use of the rider and designed to travel on not more than three wheels in contact with the ground, including a motor scooter, mopeds, and a bicycle with motor attached, but excluding a tractor. Person means a natural person or a firm, partnership, association or corporation. Police Department includes all law enforcement agencies authorized to enforce laws within the geographical boundaries of Prince George's County, Maryland, and those special police who have been appointed pursuant to the provisions of Title 4, Subtitle 9, Article 41, Annotated Code of Maryland. Storage means the holding, accommodation and protection of all motor vehicles. Towing means the moving or removing of a vehicle by a tow truck. Towing Company means a person or entity that provides towing services. Towing Service means the operation of removing or towing motor vehicles. Tow Truck means a vehicle capable of lifting or transportation a motor vehicle. Tow Truck Medallion Number means the number assigned by the Department to each tow truck operating under a license. Tow Truck Operator means any person who is the operator of a tow truck.