small paraphrasing :-
E-commerce is the process of conducting business online through such transactions as sales and information exchange. There are a number of applications of e-commerce, including online retailing and electronic markets, and online auctions. E-commerce offers many benefits to businesses, including the widening of its marketplace and the reduction of operating costs. E-commerce is often combined with other channels as part of a business’ marketing and sales efforts. As with any marketing and sales efforts, careful consideration needs to be given regarding how to best present the business on its website. There are a number of considerations to be taken into account in order to develop a website that will help the organization to maximize the effectiveness of its e-commerce efforts.