What are the benefits of using prototypes in design?

Using prototypes in design is valuable primarily because they allow for gathering feedback and identifying usability issues. Prototypes are tangible representations of design concepts, which facilitate interaction with users. When users engage with a prototype, they can provide insights and reactions based on their experience. This feedback is critical for uncovering usability issues that may not be obvious during the design process or when considering designs in isolation.

By testing prototypes, designers can observe how users interact with their designs, uncover any pain points, and make iterative improvements before finalizing the product. This process not only enhances the usability of the final product but also aligns it more closely with user needs and expectations.

Other options might suggest characteristics of prototypes, but they do not emphasize the foundational purpose of prototypes as tools for gathering feedback which is crucial in user-centered design.