Noseweight - This is the weight applied to the towball by a caravan. It is important that the maximum noseweight is not exceeded. Both the car and tha caravan have maximum noseweight limits. The lower of the two is the legal maximum.

Payload - The weight of items you could load into your caravan. It is calculated by subtracting the caravans MiRO from its MTPLM.

Towing limit - The maximum weight of a trailer that a car may legally tow. It is often higher than the kerbweight.

GTW (Gross Train Weight) - This is the maximum combined weight of the car and trailer combined.

MiRO (Mass in Running Order) - This is the caravans weight with all factory fitted equipment, when it leaves the factory. MiRO replaces the old terms ex works weight and unladen weight.

MTPLM (Maximum Technically Permissible Laden Mass) - The maximum weight that the caravan chassis can take, as stated by the manufacturer of the chassis. It replaces Gross Vehicle Weight.

Kerbweight - As defined by EU Directive 95-48-EC. The vehicles weight with its fuel tank 90% full, all necessary fluids, driver and luggage of 75KG.