Shipping cost is a broad concept that covers all costs in the process of transporting goods, including basic transportation costs and other additional costs. Freight cost is a narrow concept that mainly refers to the basic transportation costs of goods, excluding other additional costs.

CNF (Cost and Freight): CNF means that the seller is responsible for paying all costs of transporting the goods to the port of destination, but does not include the costs and insurance costs after the goods are unloaded at the port of destination.