Business-to-business (B2B) ecommerce. Business-to-Consumer (B2B) digital commerce refers to the online transactions and interactions between two businesses. In this model, companies sell products or services to other businesses. The order volume is generally larger at less frequency, so a subscription service with automatic renewal can engage customers for future purchases. Business-to-consumer (B2C) ecommerce. Business-to-Consumer (B2C) digital commerce is the exchange of transactions between businesses and individual consumers. Companies directly sell to end consumers for personal consumption through various digital channels, such as websites, mobile apps, or online marketplaces. Consumer-to-consumer (C2C) ecommerce. The Consumer-to-Consumer (C2C) model of ecommerce enables individuals to buy and sell products or services through online platforms. Individuals act as buyers and sellers, creating a nexus for trade. C2C platforms provide a virtual marketplace where sellers can list items and connect with potential buyers. These platforms offer features like product listings, messaging systems, and secure payment options. For example, eBay and Amazon automate the entire buying journey from checkout to product delivery. C2C platforms are only there to facilitate transactions but have no other role in the process.