High-tech and Multimedia

High-tech adjective - Resembling or making use of highly advanced technology or devices.

Multimedia and high-tech are semantically related. In some cases you can replace term "Multimedia" with "High-tech", this terms are similar.

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

High-tech and multimedia are semantically related. You can use "High-tech" instead an adjective "Multimedia".