Commerce, defined, is the exchange of goods, services, or money for other goods, services, or money. It is the buying and selling of products and services across the world, and it can be conducted through a variety of methods. There are three main types of commerce: B2B (Business to Business), B2C (Business to Consumer), and C2C (Consumer to Consumer). B2B commerce involves the exchange of goods or services between two businesses, while B2C commerce involves the exchange of goods or services between a business and an individual consumer. C2C commerce involves the exchange of goods or services between two individuals. All three types of commerce play an essential role in the global economy.