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 Shareware
Software available on the Internet for downloading so you can try it before buying it. It is copyrighted and distributed on a "free-will donation" basis, either via the Internet or by being passed along by satisfied customers. users who continue to use the program after a trial period are expected to pay a registration fee. In return, they get documentation, technical support, and access to updated versions.