Materialize is a design and development framework that helps create user interfaces and experiences. It is based on the principles of Material Design, a design language developed by Google that emphasizes clean, modern aesthetics and intuitive interactions. The framework provides a set of components and guidelines that developers can use to build responsive and visually appealing applications. By following Material Design principles, Materialize ensures consistency across different platforms and devices, making it easier for users to navigate and interact with digital products.