Which design principle effectively helps in the organization of elements within a composition?

The principle that effectively helps in the organization of elements within a composition is contrast. Contrast refers to the difference between two or more elements in a design, such as color, size, shape, or texture. By using contrast, designers can create visual interest and draw attention to specific areas of a composition. This differentiation aids in guiding the viewer's eye and helps to structure the overall layout, making it easier to navigate the design. For instance, using a bold color against a muted background can highlight important information and organize the content effectively.

While rhythm, unity, and proportion are important design principles for various reasons, they do not specifically address the organization of elements in the same way that contrast does. Rhythm relates to the repetition and movement through elements, unity ensures that all parts of the design work together cohesively, and proportion deals with the size relationships between different elements. However, it is the presence of contrast that primarily serves to delineate and structure the elements within a composition, enhancing clarity and visual appeal.