1. E-Commerce websites are those online portals that facilitate online transactions of goods and services through means of the transfer of information and funds over the Internet.
2. There are different types of E-Commerce websites. The most common type is retail selling, but there are many others too, like auction websites, business-to-business services, music portals, consultancy websites, finance management websites etc.
3. The buying and selling of products and services by businesses and consumers through an electronic medium, without using any paper documents.
4. E-commerce is subdivided into three categories: business to business or B2B (Cisco), business to consumer or B2C (Amazon), and consumer to consumer or C2C (eBay).
