A design system is a catalogue of everything that makes up your digital product including user interface elements, writing style, guiding principles, coding standards, visual design, etc. A design system provides information about your product or set of products, and reusable components for easy development.
Building a design system is a collaborative effort, and requires expertise across all fields of web and application design. A design system takes into account all aspects of the product and encompasses all levels of the user’s and the creator’s experience.