Wireframes are visual guides that represent the skeletal framework of a digital product. They are useful for arranging elements to accomplish a particular purpose. It is important to include detailed annotations in wireframes to communicate the interaction and technical info. Annotations can answer a lot of potential questions from the intended audience and improve team efficiency.
Wireframes are also used to create functional prototypes to communicate ideas and validate concept ideation through usability testing. Prototypes provide interaction simulations that help developers build the expected results.
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