What is the purpose of a grid system in UI design?

The purpose of a grid system in UI design is to create consistent layouts by structuring content. A grid system serves as a framework that helps designers align elements in a user interface in a systematic way, ensuring that everything is organized and visually appealing. It provides a structured approach to placing elements, making it easier for users to navigate and understand the content.

By adhering to a grid, designers can maintain balance, unity, and consistency across different pages or screens, which enhances the overall user experience. This approach not only aids in the aesthetics of the design but also supports better readability and accessibility. Consistency is crucial in design, as it helps users form expectations about how elements will behave and where they will be located, leading to a more intuitive interaction with the interface.

Other options do not align with the primary function of a grid system. Random layouts do not leverage the benefits of structure, enhancing interactive features is more about functionality, and focusing solely on color choices does not pertain to layout or organization.