transactions (sales and purchases) having the objective of supplying commodities (goods and services)

do business; offer for sale as for one's livelihood

turn in as payment or part payment for a purchase

engage in the trade of

be traded at a certain price or under certain conditions

trade that is conducted legally

trade that satisfies certain criteria on the supply chain of the goods involved, usually including fair payment for producers; often with other social and environmental considerations

international trade free of government interference

the exchange of domestic goods within the boundaries of a country.

the exchange of capital, goods, and services across international borders or territories.

use tariffs to favor domestic industry