What is the role of grids in web design?

Grids play a fundamental role in web design by providing a structured framework for layout and design. This structured approach helps designers align elements on a page consistently, ensuring that spacing and proportions are uniform throughout the design. By using a grid system, designers can create a visual hierarchy, making it easier for users to navigate the content.

A grid helps organize elements such as images, text, and features in a way that is visually appealing and functional. This organization not only improves the aesthetic quality of a webpage but also enhances user experience by making the content more readable and accessible. Additionally, grids support responsive design, allowing layouts to adapt seamlessly across different screen sizes and devices.

While the other options mention aspects related to web design, they do not capture the essential purpose of grids as effectively as the correct answer does. Grids are specifically about organization and structure, which is crucial for effective web design.