This is the 9928th most frequent Spanish word.
brilla
"Brilla" means "shines."
Here, 'brilla' is used to describe the action of emitting light, specifically the sun shining in the sky.
El sol brilla intensamente en el cielo.
The sun shines brightly in the sky.
In this sentence, 'brilla' symbolizes the expression of happiness, illustrating how the eyes metaphorically shine due to strong positive emotions.
Sus ojos brillan de alegría cuando te ven.
Their eyes shine with joy when they see you.
Here, 'brilla' conveys a figurative sense of excelling or standing out, applied to the quality of originality in an idea.