Easy everything in UI Design & Figma, page 3

Visual Hierarchy: Guiding the User's Eye
Visual hierarchy guides the user's eye by making important things look important. It uses contrast in size, color, and placement to create a path of importance, like a big headline versus small footer text.

Nielsen's 10 Heuristics: Rules of Thumb for UI Design
Nielsen's Heuristics are ten rules of thumb for evaluating if a design is user-friendly. Use them to spot usability issues in any interface, from apps to stovetops. The biggest mistake is treating them as strict laws, not flexible guidelines.
User-Centered Design: Build for Who, Not What
User-Centered Design (UCD) puts the user's goals, tasks, and environment at the core of development. This process shapes software and websites through user personas and real-world testing.
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