Electronic commerce the use of computer networks to facilitate commercial activities including the production, distribution, sale and delivery of goods and services. Internet the interconnected logical networks that link computers worldwide. Intranet closed systems linking specific users internal to a company or group; commonly used for data exchange. E-retailing the supply of tangible or electronic goods or services over the internet. Supply of tangible goods involves a conventional mode of delivery; electronic goods are downloaded directly to the customer"s computer. Electronic transfer of funds payment made through electronic media such as telephone or internet rather than by cash of cheque (may take form of credit card, debit card, or e-cash) Negotiate a website development agreement (content, graphics, software) Negotiate an internet access agreement with the isp. Register a domain name and protect the intellectual property associated with the website. E-cash an online payment system that enables the anonymous transfer of money over the internet.