Definition: The term eCommerce, e-Commerce, or Electronic Commerce refers to the buying and selling of goods online through the use of online stores.
Anyone can own and operate their own eCommerce store, and many popular retail stores also offer online purchases through their website.
Another alternative is an eCommerce marketplaces, such as Amazon.com, eBay.com and Google Product Search. These websites allow sellers to upload their products and sell them through one inclusive domain. Many take credit card payments and electronic payments through PayPal and similar services.