Commerce (noun)

1. The exchange of goods and services between countries or individuals.
2. The activity of buying and selling, especially on a large scale.
3. The production and exchange of goods and services in a particular country or region.
4. Economic and social dealings between people.

Origin:

Late 16th century: from french commerce, from latin commercium "trading, intercourse", from com- "together" + merx, merc- "goods, merchandise".

Examples:

1. International commerce has increased dramatically in recent years.
2. The city was known for its bustling commerce and trade.
3. The commerce between the two countries was based on mutual benefit.
4. The commerce of the region was dominated by agriculture and fishing.
5. The commerce between the merchant and the customer was conducted in a polite and professional manner.