Refers to a radiant, dazzling light or metaphorical brilliance. Often used in literary or elevated contexts to describe something shining or outstanding.
The diamond is radiating brilliance.
彼の演技は舞台に新たな光彩を添えた。
His performance added new splendor to the stage.
The jewel radiated a dazzling brilliance.
Catching the sunset, the lake's surface took on a shimmering brilliance.