Definition of plan:
(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; a set of
intended actions, through which one expects to achieve a
goal
"the plans for many important buildings were once publicly available."
(v) :
to
design a building, machine, etc; to create a plan for
"the architect planned the builidng for the client."