n A drawing showing technical details of a building, machine, etc., with unwanted details omitted, and often using symbols rather than detailed drawing to represent doors, valves, etc.
n A set of intended actions, usually mutually related, through which one expects to achieve a goal.
n A 2-dimensional drawing of a building as seen from above with obscuring or irrelevant details such as roof removed, or of a floor of a building, revealing the internal layout; as distinct from the elevation.
v (transitive) To design (a building, machine, etc.)