What is the intersection of light and shadow used to describe?

This word is used to describe the visual effect of alternating light and dark.

The term "light and shadow" is usually used to describe the interweaving of light and shadow in a certain scene, forming an intricate visual effect of alternating light and dark. It can be used to describe real natural scenes, or pictures in works of art or photography.

In natural scenes, the interlacing of light and shadow may appear as sunlight projecting on the ground through branches, leaves or other objects, forming mottled light and shadow; or at night, the interlacing of moonlight and starlight twinkles, creating a dark environment. Brings a subtle glow.