Visual Hierarchy
Visual hierarchy organizes page elements by order of importance, using size, color, and spacing, to guide the eye.
A heading larger than a paragraph, a colored button on a neutral background: these choices aren't decorative, they signal where to look first. Without hierarchy, everything reads at the same level, so nothing stands out.
Clear hierarchy reduces reading effort. The visitor understands within seconds what matters: the main message, then the action to take.