E-commerce is buying or selling products or services via electronic means. Some types of e-commerce are e-mail, instant messaging, newsgroups, online shopping, teleconferencing, online banking, and electronic tickets.
E-Commerce stands for electronic commerce. The term can refer to any business that makes uses of modern electronic communications devices to carry out some part of the business model. This can be a website that charges users for a service or a tranditional business that uses electronic communication to reach customers (ex. a website).