E-Commercem(Commercial activity that takes place by means of computers connected through a network. Electronic commerce can occur between a user and a vendor through the Internet, an online information service, or a bulletin board system (BBS), or between vendor and customer computers through electronic data interchange (EDI))
⇒ e-business(countable – An e-business is a business which uses the internet to sell goods or services, especially one which does not also have shops or offices that people can visit or phone. || uncountable: E-business is the buying, selling, and ordering of goods and services using the internet. collinsdictionary.com)