Practise the thinking. Keep the judgement.
光 (hikari): Light
ひかり
hikari
Meaning
Light
Two original examples
窓から光が入ります。
Light comes in through the window.
朝の光で目が覚めました。
The morning light woke me up.
Usage and distinctions
光 is the noun light. 光る（ひかる）is the verb shine or glow. 光 can occur in personal names with readings chosen for the name; a dictionary reading alone is not enough to infer a particular person’s name.