Electronic Commerce or e-commerce is about the exchange of business information over the internet. This includes Internet shopping, the downloading and selling of software and documents as well as business to business transactions.
Small companies may consider using a complete e-commerce solution. E-commerce software will allow a company to choose a design template and will then create category pages that already include shopping cart functions. This kind of software usually includes a database so that adding items and updating item information requires no knowledge of HTML.
Business that provide ecommerce solutions are called Commerce Service Providers (CSP).
E-commerce website should offer absolute security for all the transactions. It is crucial that a proper choice of payment gateway is made. A payment gateway acts as an intermediary between the website`s shopping cart and all the financial networks involved with the transaction. | 
