Harmony would be the answer i think.
Yes a minor second is the same as a half step
Answer:
PAR lights.
Strip lights.
Scoop lights.
House lights and worklights.
LED stage lights.
Fresnel lantern.
Ellipsoidal reflector spotlight.
Beam projector.
Well, you cant rely on a single person to judge your design. art is meant to be unique to each person and if you believe they are good, then they are. it doesnt matter what others think, because they came from your imagination as a part of you. so of course they will be amazing.