E-commerce, or, Electronic commerce is the process of buying and selling of services and products electronically over systems such as the Internet or similar networking services. The use of commerce is done with the help of latest innovations like electronic funds transfer, Internet marketing, electronic data interchange and many more. Latest e-commerce systems generally utilize the World Wide Web at some point or the other to complete transactions.

Most e-commerce transactions happen over virtual products, such as web hosting space, access to premium contents in web applications. However, there are certain e-commerce transactions where transportation of the product is required, especially in case of physical products. There are online retailers, also known as e-tailers who conduct e-commerce over the World Wide Web, and the process is known as e-tail. E-commerce is the sales part of the complete e-business, and is generally associated with data exchange, which facilitates the payment and other financial aspects of the business.