demonstrative vs what you see is what you get

demonstrative

adj
  • given to open displays of emotion 

  • that specifies the thing or person referred to 

  • that serves to demonstrate, show or prove 

noun
  • A demonstrative pronoun. 

  • A demonstrative adjective. 

what you see is what you get

proverb
  • The image corresponds to the reality. 

  • The screen image resembles the printed output. 

How often have the words demonstrative and what you see is what you get occurred in a corpus of books? (source: Google Ngram Viewer )