E-mail headers contain the sender's name and address, receiver, subject, date, etc. Host A remote computer that provides information or services for users. The coding language used in hypertext documents which define text style, links to other documents, pictures and forms etc. HTML documents are accessed through browser programmes. Hypertext A feature of HTML which allows users to jump from one document to another, or one site or another.
Hyperlinks can be in the form of highlighted clickable text, images, or graphical clickable maps.
Information Services A type of Bulletin Board. Information services usually offer a variety of services such as news, airline flight information and fares, or stock market quotes, etc. A well known example is CompuServe, though there are many more. Internet Worldwide collection of interconnected networks. The common core protocol by which data moves about the Internet.