Caravan - non self-propelled, designed for occupancy and towing behind a motor vehicle
Campervan or motorised caravan - self-propelled, designed for occupancy (e.g. winnebago, motor Home, converted bus/van)
Trailer - not used for occupancy, designed to be towed by a motor vehicle with a standard tow bar
Camper trailer - designed for occupancy and towing by a motor vehicle with a standard tow bar
Horsefloat - trailer specifically designed for transportation of horses with no living quarters