plan > define

A series of steps to be carried out or goals to be accomplished.
- usage: "they drew up a six-step plan"; "they discussed plans for a new bond issue"
- synonyms: program, programme
An arrangement scheme.
- usage: "the awkward design of the keyboard made operation difficult"; "it was an excellent design for living"; "a plan for seating guests"
- synonyms: design
Scale drawing of a structure.
- usage: "the plans for City Hall were on file"
- synonyms: architectural plan

Have the will and intention to carry out some action.
- usage: "He plans to be in graduate school next year"; "The rebels had planned turmoil and confusion"
- synonyms: be after
Make plans for something.
- usage: "He is planning a trip with his family"
Make or work out a plan for; devise.
- usage: "They contrived to murder their boss"; "design a new sales strategy"; "plan an attack"
- synonyms: project, contrive, design
Make a design of; plan out in systematic, often graphic form.
- usage: "design a better mousetrap"; "plan the new wing of the museum"
- synonyms: design

(a.) 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.
(a.) 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.
(a.) A method; a way of procedure; a custom.
(v.t.) To scheme; to devise; to contrive; to form in design; as, to plan the conquest of a country.
(v.t.) To form a delineation of; to draught; to represent, as by a diagram.

by Webster's Revised Unabridged Dictionary

Detailed illustration of a house that shows the internal layout and dimensions and the position of the house on the land.