Excellent UI/UX design greatly affects the usability and satisfaction of websites and apps. It’s not just about visual appeal; the structure and usability that allow users to achieve their goals without confusion are crucial. For example, even a visually attractive design can drive users away if information is hard to find or interactions are complex.

In the digital age, users no longer seek just functionality in products and services. What truly matters is an intuitive and enjoyable experience—known as User Experience (UX)—which plays a critical role in determining the success of businesses and brands. A well-designed UX not only boosts user satisfaction but also drives measurable business outcomes.

In the digital age, the User Interface (UI) determines the first impression of websites and apps. Intuitive operability and visual design directly influence user satisfaction. Excellent UI is not just about appearance—it also contributes to communication of information and operational efficiency, ultimately linking to business outcomes.

In modern digital product development, intuitive and consistent UI directly leads to improved UX and business outcomes. A UI kit is a tool that gathers reusable components such as buttons and icons, contributing to design efficiency. On the other hand, a design system is a comprehensive framework that integrates not only a UI kit but also guidelines and operational rules.

Excellent UI (User Interface) design greatly affects the comfort and efficiency of using applications and websites. For businesses, an intuitive UI enhances user satisfaction and is a key factor in maximizing operational efficiency and data utilization.

User Experience (UX) design is a crucial process that makes websites and apps intuitive and enjoyable to use. However, specialized terms such as “persona” or “user journey” can be difficult for beginners or non-designers to fully grasp.

In this article, we have carefully selected essential UX terms and explained them in a clear, practical way so that designers and small businesses can start using them right away. Each term is linked to improving usability, strengthening customer satisfaction, and maximizing business outcomes, with simple examples of how to apply them in practice.