Here are the possible solutions for light settings clue
Answer
Clue
Relevancy
gems
Clue
Their settings are settings
Definition
GEM, to adorn with gems
placemats
Clue
Settings for settings?
Definition
PLACEMAT, a table mat on which a place setting is laid
ons
Clue
Light-switch settings
Light switch settings
Light settings
Definition
ON, to go on
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
Light-show light
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium