What technique do artists use to emphasize important elements in their artwork?

Hierarchical proportion is a technique used by artists to emphasize important elements in their artwork by varying the size and scale of objects in relation to one another. This method often involves depicting more significant figures or subjects at a larger scale compared to less important ones, thereby directing the viewer's attention and denoting their importance within the composition. This can be seen in many historical and religious artworks where central figures are larger, indicating their prominence in the narrative.

In contrast, juxtaposition involves placing elements side by side to highlight differences or create contrast, which does not inherently emphasize the importance of one element over another. Transformation generally refers to altering the form or appearance of an object, while composition encompasses the overall arrangement and organization of elements within a work of art but does not specifically focus on emphasizing importance. Therefore, hierarchical proportion specifically addresses the artistic technique of emphasizing significance through scale.