What is the difference between shade shading and shadow

When used as nouns, shade is an uncountable noun that refers to an area of relative darkness blocked off from the light. Shadow, on the other hand, is a countable noun that refers to the silhouette or dark image formed by an object blocking the light. It is what causes the darkness.

Explanation:

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name the above painting and its artist. how has the artist used balance, variety, and movement in this piece to emphasize the man waving the cloth, in the upper right-hand corner? be specific in your response.