big picture vs floor plan

big picture

noun
  • Used other than figuratively or idiomatically: see big, picture. 

  • The totality of a situation. 

floor plan

noun
  • A diagram, usually to scale, showing the layout of a building. 

  • A layout representation of where the major functional blocks of an integrated circuit will be physically placed. 

How often have the words big picture and floor plan occurred in a corpus of books? (source: Google Ngram Viewer )