What are the definitions of these pairs of homographs well, well. light, light

Well - A deep hole or shaft sunk into the earth to obtain water.

Well - In a good or satisfactory way. For example: The team played well

Light - T he natural agent that stimulates sight and makes things visible. For example: The light of the sun

Light - Pale, whitish, or not deep or dark in color. For example: A light blue