Internal Trade When buying and selling of goods and services take place within the geographical limits of a country. It is known as internal Trade. (i) The buying and selling of goods and services take place within a country. (i) Wholesale Trade refers to the Trade in which goods are sold in large quantities. It is an exciting chapter which is incorporated with various concepts – internal Trade, wholesale Trade, services to wholesalers, services to manufacturers and services to the retailers. Retail Trade, service of retailers, services to the manufacturers and wholesalers, services to the customers, types of retailing trade – itinerant retailers, market traders, street traders, cheap jacks, fixed shop retailers, fixed shop small retailers, fixed shop large stores – departmental stores, multiple stores, mail-order houses. These are a few key points to be considered by the students while studying.