<p><strong>Noun</strong></p><ul><li>A process of photographic printing, used chiefly in copying architectural and mechanical drawings, which produces a white line on a blue background.</li><li>A print made by this process.</li><li>A detailed outline or plan of action: a blueprint for success.</li></ul><p><strong>Verb</strong></p><ul><li>To make a blueprint of or for.</li></ul>