Which term refers to the center line in a work of art that creates balance?

The term that refers to the center line in a work of art that creates balance is "Central Axis." This concept is essential in art as it acts as a reference line that divides a composition into symmetrical parts, allowing artists to create a sense of stability and equilibrium within their work. By positioning elements around this axis, artists can achieve visual harmony and guide the viewer's eye through the artwork effectively.

The central axis can often be imagined as a vertical or horizontal line that helps in the placement of subjects and other components of the artwork. Artists often utilize this term to ensure that their compositions feel balanced and cohesive, providing a foundation from which they can explore various forms, colors, and textures.

In contrast, the other terms, while related to art composition and aesthetics, do not specifically describe this balancing line. "Figure" refers to the subject or form represented in the artwork, and "Rule of Thirds" is a compositional guideline that suggests dividing the image into thirds to create more dynamic compositions. "System of Ideal Proportions" relates to proportions used in art and design, often rooted in classical ideals, but does not directly address the balance provided by a central line.