The two key terms in this field, hypermedia and hypertext, were both introduced in the mid sixties. Hypermedia is a method of structuring information in a mixture of media (text, video, graphics) in such a way that related items of information are connec

The two key terms in this field, hypermedia and hypertext, were both introduced in the mid sixties. Hypermedia is a method of structuring information in a mixture of media (text, video, graphics) in such a way that related items of information are connected together by links or threads called hyperlinks; hypertext is machine-readable text that forms an interconnected structure in a similar way. . . . The term hypermedia is frequently treated as a synonym for the related term multimedia; however, multimedia presentations can be linear and non-interactive, whereas hypermedia ones necessitate decisions by the user to select one route through the presentation over another.