Light bulb — represents the one who controls the situation.
Unscrew the light bulb, but the light does not see - to intervene in the lives of others, envious of others.
A "bright idea," creativity, or resourcefulness
Carity or understanding, as in "shedding some light" on a particular subject
Light shines in the darkness. Is there any area of your life, which should shed some light? It may also herald the arrival of a new idea.