What Hypertext is
A system for writing and displaying text that can be linked in multiple ways to related documents and available at several levels of detail. The term was coined by Ted Nelson to refer to a nonlinear system of information browsing and retrieval based on associative links between documents. The World Wide Web uses hypertext transfer protocol (HTTP) to link pages and multimedia files.
The meaning of Online marketing
A form of marketing that combines traditional marketing principles with the unique interactive qualities of the Internet. The purpose is to deliver products and services that satisfy customers. Online marketers devise plans and campaigns to attract customers to a Web site and to encourage them to register their names or purchase products. There is also a growing number of online marketers that focus on being affiliates (sellers or resellers of information).