E-commerce, or electronic commerce, involves the buying and selling of goods and services over the internet, and includes various transaction types. These types include business-to-business (B2B), business-to-consumer (B2C), consumer-to-consumer (C2C), consumer-to-business (C2B), business-to-administration (B2A), and consumer-to-administration (C2A). Each type serves different transaction dynamics between businesses, consumers, and administrations.
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