Hypermedia and Multimedia system

Hypermedia noun - A multimedia system in which related items of information are connected and can be presented together.

Multimedia system and hypermedia are semantically related. In some cases you can use "Multimedia system" instead a noun "Hypermedia".

Multimedia system noun - Transmission that combine media of communication (text and graphics and sound etc.).

Hypermedia and multimedia system are semantically related. Sometimes you can replace term "Hypermedia" with "Multimedia system", this terms are similar.