FCA is a trade term in the International Commercial Terms (Incoterms) issued by the International Chamber of Commerce, which means "free carrier". According to the FCA terms, the seller is responsible for delivering the goods to the carrier designated by the buyer.

CIF is one of the international trade terms, and its full name is Cost, Insurance, and Freight, which means "cost, insurance and freight". Under this term, the seller is responsible for all costs of transporting the goods to the designated port of destination.

Freight mainly includes transportation, logistics and distribution. It usually refers to the service of transporting bulk goods and materials from one location to another, involving long-distance transportation. This may include the transfer of products from manufacturers to retailers.

DDP (Delivered Duty Paid) refers to delivery with duty paid in ocean shipping. This is a delivery agreement in which the seller assumes all responsibility for transporting the goods until they arrive at the agreed destination, including transportation, insurance, duties and taxes, etc. This means there are no additional charges for the buyer to pay when receiving the goods.