Electronic commerce or eCommerce is a term for any type of business, or commercial transaction, that involves the transfer of information across the Internet. Conducting business online. Selling goods, in the traditional sense, is possible to do electronically because of certain software programs that run the main functions of an e-commerce Web site, including product display, online ordering, and inventory management. The software resides on a commerce server and works in conjunction with online payment systems to process payments. Since these servers and data lines make up the backbone of the Internet, in a broad sense, e-commerce means doing business over interconnected networks.