COMMERCE

commerce. The exchange of goods and services, esp. on a large scale involving transportation between cities, states, and nations.internal commerce.See intrastate commerce. international commerce.Trade and other business activities between nations.interstate commerce.Trade and other business activities between those located in different states; esp., traffic in goods and travel of people between states. • For purposes of this phrase, most statutory definitions include a territory of the United States as a state. Some statutory definitions of interstate commerce include commerce between a foreign country and a state. —Also termed interstate trade. [Cases: Commerce  5. C.J.S. Com-merce §§ 2, 6.] intrastate commerce.Commerce that begins and ends entirely within the borders of a single state. — Also termed internal commerce. [Cases: Commerce  7. C.J.S. Commerce § 10.] [Blacks Law 8th]