E–commerce — electronic commerce or EC — is the buying and selling of goods and services, or the transmitting of funds or data, over an electronic network, primarily the internet. These business transactions occur either as business-to-business, business-to-consumer, consumer-to-consumer or consumer-to-business.

E-commerce is a complex term referring to the process of selling and buying products and services over the Internet or other electronic systems. Considered as the sales aspect of the e-business, the electronic commerce has revolutionized trade as a routine activity for the contemporary man by bringing the marketplace to your home or the office, thus saving you time and efforts.

The development of e-commerce has given birth to new terms such as electronic funds transfer, online transaction processing, electronic data interchange (EDI), Internet marketing, automated data collection systems, etc. They all designate certain key components of the sophisticated e-commerce system.