What it means
A wireframe shows what goes on a screen and where: headings, forms, buttons, lists and navigation, usually in grey boxes without final colors or images. It focuses the conversation on content and flow rather than style.
Wireframes often become clickable prototypes, then full visual designs, before code is written.
Why it matters for a business
Changing a wireframe takes minutes. Changing built software takes days. Agreeing on structure early avoids expensive rework and makes estimates more accurate.
A business example
Things to watch
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Include real content, not placeholder text, where possible.
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Cover phone layouts as well as desktop.
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Walk through key tasks step by step.
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Keep wireframes simple so feedback stays on structure.
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Agree on who approves wireframes before design starts.