What is ocean freight transport and how it is carried out? According to the pure definition, this mode of ocean transport is " the movement of goods by sea, for commercial purposes, using ships as a means of transport ". It is the most massive means used in the import and export of goods worldwide . The oceans have regular lines through which large ships sail. These ships can carry thousands of tons of goods at the same time, significantly saving costs derived from the transport of all types of products.