Define Hypertext verses Hypermedia briefly.
Hypertext is fundamentally the same as regular text- this can be stored, read, searched or edited along with a significant exception: hypertext contains connections into the text to other documents.
Hypermedia documents include links not only to other pieces of text, and also to other types of media- sounds, movies and images. Images themselves can be selected to link to documents or sounds. Here are several World Wide Web is an open hypermedia system.