E-Commerce stands for Electronic Commerce, and is a general term used to describe all forms of trade on the Internet, especially those where payment is taken via the Web. In prctice e-commerce and e-business is used interchangeably. E-commerce is process of buying and selling of products and services over the Internet. basically this is transmit business information and transact business by using communication technologies. A very simple form of e-commerce is taking order over the phone.. e-Commerce or e-business refers to the business transactions between companies (B2B) or between companies and their customers (B2C).