The exchange of items of value between persons or companies is referred to as Commerce. Any exchange of money for a product, service, or information that takes place is considered to be a deal of commerce.

In early times, people use to trade their excess goods with others for needed goods. This type of trade is known as barter trade.
Commerce between people living in distant places
People were only able to trade with their neighbors before technological advances. As soon as new methods of transportation were developed, people started to trade with people that live in distant places that they were previously unable to trade with.
