P2P is the abbreviation of English person-to-person (or peer-to-peer), which means partner-to-partner. Also known as Peer-to-Peer peer-to-peer lending, it is a private micro-lending model, which gathers small amounts of funds and lends them to people who need them. It belongs to a product of Internet Finance (ITFIN). It belongs to private microfinance, an online credit platform built with the help of Internet and mobile Internet technology, and related financial management behaviors and services.

P2B, whose full name is Internet financing service platform, is a micro-finance service model different from P2P network financing platform. P2B refers to a personal-to-business, a personal-to-business loan model.

P2C means production to consumers, which means goods and customers for short. Products are delivered directly from the production enterprises to consumers without any transaction links. It is another new concept of e-commerce after B2B, B2C and C2C. It's called Life Service Platform in China.

B2B (also abbreviated as BTB, Business-to-Business) refers to a business model in which enterprises exchange and transmit data and information through private networks or the Internet. It integrates enterprise intranet and enterprise products and services with customers through B2B websites or mobile clients, and provides better services to customers through the rapid response of the network, thus promoting the business development of enterprises.

B2C is the abbreviation of Business-to-Customer, and the Chinese abbreviation is "business-to-customer". "Business-to-customer" is a mode of e-commerce, that is, a commercial retail mode that directly sells products and services to consumers.

C2C means customer (consumer) to customer (consumer). E-commerce behavior between consumers. For example, a consumer has a computer and sells it to another consumer through the Internet. This transaction type is called C2C e-commerce.