Proportion refers to the dimensions of a composition and relationships between height, width and depth. How proportion is used will affect how realistic or stylised something seems. Proportion also describes how the sizes of different parts of a piece of art or design relate to each other.
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Answer:
the piece is subject or matter
Explanation because the artist had a lot of thinking to do with this one
Gained more credibility evidence for the people places and events
Describe the lines, colors, values , shapes, textures, space and movement. Sorry if this is not what you meant but i hope this helped i. some way!