I walked the path by the light of the moon.
Light is streaming into the room.
A specific light source, such as a lamp, lantern, or electric light. Often used for artificial lighting.
I turned on a small lamp on the desk.
All the lights went out in the blackout.
proof of innocence; vindication
Only when written 明かり
Dated use, primarily in the phrase 明かりが立つ (to be cleared of suspicion). Rare in modern Japanese.
In old novels, being cleared of suspicion is sometimes expressed as 明かりが立つ.
I turned on the light in the room.
Light was leaking out from the window.
I read a book under the light.
I could see a light on in the house in the distance.
starlight
Kana spelling is common in everyday writing when the kanji nuance is not needed.