What is the element which serves as a main idea in an artist’s composition? Is it the subject matter?

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If you look through these various results, you'll find that you're correct.

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Yes, the element that serves as the main idea in an artist's composition is often the subject matter. The subject matter refers to what the artwork is about or depicts. It can be a person, object, landscape, or any other tangible or abstract concept that the artist chooses to focus on. The subject matter is the starting point for an artist to convey their intended message or expression.

To determine the subject matter of an artwork, you can look at the visual elements present in the composition. These elements can provide clues about what the artist wants to communicate. For example, if a painting depicts a bouquet of flowers, the subject matter would be the flowers themselves. However, it's important to note that the subject matter is just one aspect of an artwork's composition and can be interpreted and presented in different ways depending on the artist's intentions and artistic style.