Definitions of plan:

• noun:   scale drawing of a structure

  Example: "The plans for City Hall were on file"

• noun:   a series of steps to be carried out or goals to be accomplished

  Example: "They drew up a six-step plan"

• noun:   an arrangement scheme

  Example: "A plan for seating guests"

• verb:   make plans for something

  Example: "He is planning a trip with his family"

• verb:   have the will and intention to carry out some action

  Example: "He plans to be in graduate school next year"

• verb:   make or work out a plan for; devise

  Example: "Plan an attack"

• verb:   make a design of; plan out in systematic, often graphic form

  Example: "Plan the new wing of the museum"

• name:  A surname (very rare: popularity rank in the U.S.: #79744)