+A blueprint is a photographic print of a technical drawing, traditionally white lines on a blue background, used as a detailed [Design](/wiki/design) for construction or manufacturing. It serves as a foundational [Plan](/wiki/plan) or guide, mapping out structure and function before physical creation.
+## See also
+- [Architecture](/wiki/architecture)
+- [Engineering](/wiki/engineering)
+- [Drafting](/wiki/drafting)
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