noun 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.
The plans for many important buildings were once publicly available.
noun A set of intended actions, usually mutually related, through which one expects to achieve a goal.
He didn't really have a plan; he had a goal and a habit of control.
noun A two-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.
Seen in plan, the building had numerous passageways not apparent to visitors.
noun A method; a way of procedure; a custom.
noun A subscription to a service.
a phone plan
verb To design (a building, machine, etc.).
The architect planned the building for the client.
verb To create a plan for.
They jointly planned the project in phases, with good detail for the first month.