B2B ecommerce, or business-to-business electronic commerce, describes online order transactions between businesses. Because orders are processed digitally, buying efficiency is improved for wholesalers, manufacturers, distributors and other types of B2B sellers.
B2C, the acronym for "business-to-consumer", is a business model based on transactions between a company, that sells products or services, and individual customers who are the end-users of these products. B2C ecommerce definition suggests the commerce transaction through a company website featured with online catalog
B2B2C or Business-to-business-to-consumer is an emerging eCommerce model that combines B2B, business-to-business, and B2C, business-to-consumer, for a complete product or service electronic transaction.
B2B marketplace (like Amazon Business) acts as an intermediate step between manufacturers, wholesales, distributors and other types of B2B sellers and its business clients. In a B2B marketplace, big companies sell products to other small businesses.
B2C ecommerce marketplace (like Amazon) is a business model in which the seller sells products & services directly to the consumers, which are the end-users in this model. B2C is like a mall shopping, eating out at restaurants, pay-per-view movies, or infomercials, where you can get all the details of the products, get delivered to your home, and even have the feature of refund if a product is not as per your expectation.