interactive

interactive (comparative more interactive, superlative most interactive)

1. Acting with each other. Two interactive systems.
2. (computer science) Responding to the user. Interactive user interface

Reference: wiktionary.org

see-through

see-through (comparative more see-through, superlative most see-through)

1. transparent or translucent; that can be seen through

Reference: wiktionary.org

hmd

A head-mounted display or helmet mounted display, both abbreviated HMD, is a display device, worn on the head or as part of a helmet, that has a small display optic in front of one (monocular HMD) or each eye (binocular HMD).

Reference: wikipedia.org