A CMR document is a contract of carriage for goods being transported internationally by road.
An airway bill (AWB) is a document that accompanies goods shipped via an air freight service. It serves as a receipt of goods for an airline as well as a contract of carriage between the shipper and carrier. The AWB is a legally binding document issued by a carrier or agent and provides details about the goods being shipped. The AWB is a standard form, distributed by IATA (International Air Transport Association).
A bill of lading (BOL) is a document issued by carriers to confirm that goods have been received in good condition and are ready to be shipped via sea freight. It is a contract of carriage between the shipper, consignee and carrier stating the terms and conditions of carriage.