B2B (Business to Business) is a term commonly used to describe the transaction of goods or services between businesses as opposed to that between businesses and other groups.E.g. individual consumers (B2C) or public administration (B2G)). "It is a term that originated and is almost exclusively used in electronic commerce and typically takes the form of automated processes between trading partners and is performed in much higher volumes than (B2C) applications." (
Business-to-business - Wikipedia, the free encyclopedia, Business-to-Business)
B2C (Business-to-Consumer) describes activities of commercial orginizations serving the end consumer with products and/or services. It is usually applied to electronic electronic commerce.