What does LIGHT mean?

noun

1. (physics) electromagnetic radiation that can produce a visual sensation“the light was filtered through a soft glass window”
2. any device serving as a source of illumination“he stopped the car and turned off the lights”
3. a particular perspective or aspect of a situation“although he saw it in a different light, he still did not understand”
4. the quality of being luminous; emitting or reflecting light“its luminosity is measured relative to that of our sun”
5. an illuminated area“he stepped into the light”
6. a condition of spiritual awareness; divine illumination“follow God's light”
7. the visual effect of illumination on objects or scenes as created in pictures“he could paint the lightest light and the darkest dark”
8. a person regarded very fondly“the light of my life”