delineation vs ground-plan

delineation

noun
  • An image of the outline of an object. 

  • The act of delineating; depiction. 

  • A graphic verbal description. 

ground-plan

noun
  • A diagram showing set layout. 

  • Floorplan. 

  • Framework or pattern. 

  • Hypothetical ancestor of a clade. 

How often have the words delineation and ground-plan occurred in a corpus of books? (source: Google Ngram Viewer )