What does strong contrast in an artwork often contribute to?

Strong contrast in artwork plays a significant role in creating emphasis, which allows certain elements to stand out and become the focal point of the composition. When contrasting colors, shapes, or textures are used, they draw the viewer's attention to the areas of greatest difference within the piece. This direct visual disparity can highlight important aspects of the artwork, guiding the viewer's eye and enhancing the overall narrative or message conveyed by the artist.

Unity, while important in creating a cohesive look, is more about harmony among elements rather than stark contrasts. Movement generally refers to the way a viewer's eye travels across a piece and is influenced by lines and forms rather than just contrast. Similarly, rhythm is associated with patterns and repetition, not necessarily the sharp differences that contrast provides. Therefore, using strong contrast effectively highlights and elevates specific parts of an artwork, making it a powerful tool for emphasis.