Here are the possible solutions for hint of light clue
Answer
Clue
Relevancy
clue
Clue
Hint (and a hint to this puzzle's theme)
Definition
to obtain guiding information
nimh
Clue
"Mrs. Frisby and the Rats of ___" (classic 1971 children's book based on experiments at the National Insistute of Mental Health, hint hint)
ode
Clue
Something your poetry teacher might assign you to write about a particularly inspirational poetry teacher you've had *hint* *hint
Definition
an elaborate lyric addressed to someone or something
gleam
Clue
Hint of light
Definition
to shine with a soft radiance
tossedsalad
Clue
Light lunch (and a hint to this puzzle's circled letters)
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