"Transient Merchant" means any person who is engaged temporarily in the retail sale of goods, wares or merchandise, and in pursuance of such sales occupies any building, room, vehicle, structure or unoccupied or unimproved lot for the purpose of conducting such sale.
"Itinerant Vendor" means any person who transports tangible personal property for retail sale who does not maintain an established office, distribution house, warehouse, service center or residence from which such business is conducted.
"Peddler" means a person who travels about selling, bartering or exchanging small wares which he carries with him on his person or on a wagon, truck, push cart or moveable receptacle of any kind.
"Hawker" means a person who cries his wares or exhibits them for sale.