This is the 344th most frequent French word.
lumière
Light.
Here 'lumière' is used to denote light, specifically referring to sunlight.
La lumière du soleil réchauffe la terre.
The sunlight warms the earth.
In this sentence, 'lumière' symbolizes intellectual clarity or wit.
Il a une lumière d'esprit qui aide à résoudre les problèmes.
He has a sharp wit that helps solve problems.
In this context, 'lumière' is used to refer to artificial light, such as from a lamp.