A design system is important for design consistency and high quality. But it takes significant time and effort to fully understand guidelines, which means a repetitive process of work and confirmation based on guidelines is inevitable. OPUS Design System is not just a standard guide book, but a design buddy. OPUS, Samsung's Design System, allows designers to focus on their work by presenting what they need right away, and giving recommendations and feedbacks in real time. With OPUS, creative design is a given.