The exchange or buying and selling of commodities; especially the exchange of merchandise, on a large scale, between different places or communities; extended trade or traffic.
An 18th-century French card game in which the cards are subject to exchange, barter, or trade.
Social intercourse; the dealings of one person or class in society with another; familiarity.
The study of resource allocation, distribution and consumption; of capital and investment; and of management of the factors of production.