Electronic commerce (e-commerce) is having business trade, either in products or services, over electronic systems such as the Internet and other computer networks. E-commerce mainly use for electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.
E-commerce can be subdivided into following categories:
Commerce transaction between a company with another company. The use of B2B includes provide information about a particular industry for its companies and their employees, act as company websites which defines the company, and product supply and procurement exchanges
Commerce transactions between a company with consumers. The usage of B2B is almost similar to B2B, but is different by it provides products or services direct to the consumer.
It involves the electronically-facilitated transactions between consumers through some third party. C2C is use to offer free classifieds, auctions, and forums where individuals can buy and sell through online payment systems.
It is consider as alternative business transaction of B2C. Consumer posts his project with a set budget online and within hours companies review the consumer’s requirements and bid on the project. The consumer reviews the bids and selects the company that will complete the project.