1.A draught or form; properly, a representation drawn on a plane, as a map or a chart; especially, a top view, as of a machine, or the representation or delineation of a horizontal section of anything, as of a building; a graphic representation; a diagram.
2.A scheme devised; a method of action or procedure expressed or described in language; a project; as, the plan of a constitution; the plan of an expedition. "God's plans like lines pure and white unfold."
3.A method; a way of procedure; a custom. "The simple plan, That they should take who have the power, And they should keep who can."