What is one element of art in da vinci‘s the last supper how does da vinci use this element of art what effect does it have for the painting

The discovery of perspective revolutionized art, allowing for renaissance artists to create what their eyes actually saw, just with simple geometrical sketches.

Leonardo made this a new famous technique/method of painting that has been used ever since. Adding depth to it, the central point being on jesus, the focus of it.

variety in color and variety in texture