Color psychology influences user emotions and perceptions. Designers strategically choose colors to evoke specific feelings, enhance brand identity, and create a visually cohesive and impactful design.

Responsive design ensures optimal user experiences across various devices. It adapts layouts and functionalities, enhancing accessibility and usability, crucial for accommodating diverse user preferences and technological environments.

Prototyping allows designers to create interactive models of a design, enabling stakeholders to experience the flow and functionality firsthand. It aids in refining design elements, improving collaboration, and ensuring a smoother development process.

Accessibility is fundamental in ensuring designs are usable by individuals with diverse abilities. In graphic design, it involves creating materials that are clear and easily readable, while in UX/UI design, it ensures interfaces are navigable and inclusive for everyone.