big picture vs proposal

big picture

noun
  • The totality of a situation. 

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

proposal

noun
  • The terms or conditions proposed 

  • A scheme or design 

  • The document on which such a thing is written. 

  • The offer by a party of what he has in view as to an intended business transaction, which, with acceptance, constitutes a contract. 

  • The act of asking someone to be one's spouse; an offer of marriage 

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