Final answer:
A wireframe is a visual representation of a website or application's layout and structure. It is used in hi-fi prototyping to plan and organize the user interface before moving on to more detailed design and development stages.
Step-by-step explanation:
A wireframe is a visual representation of a website or application's layout and structure. It shows the basic elements and components of the interface, such as navigation menus, buttons, and content sections, without any design details or colors. Wireframes are commonly used in hi-fi prototyping to plan and organize the user interface before moving on to more detailed design and development stages.