outline vs undirected graph

outline

noun
  • A line marking the boundary of an object figure. 

  • The outer shape of an object or figure. 

  • A prose telling of a story intended to be turned into a screenplay; generally longer and more detailed than a treatment. 

  • A sketch or drawing in which objects are delineated in contours without shading. 

  • A general description of some subject. 

  • A preliminary plan for a project. 

  • A statement summarizing the important points of a text. 

  • A setline or trotline. 

verb
  • To optimize for size by replacing repeated code fragments with function calls. 

  • To draw an outline of. 

  • To summarize. 

undirected graph

noun
  • A graph in which the edges are not ordered, so the edge (a, b) is identical to the edge (b, a). 

How often have the words outline and undirected graph occurred in a corpus of books? (source: Google Ngram Viewer )