bar chart vs blueprint

bar chart

noun
  • A graph in the form of boxes of different heights, with each box representing a different value or category of data, and the heights representing frequencies. 

blueprint

noun
  • A print produced with this process. 

  • A detailed technical drawing (now often in some electronically storable and transmissible form). 

  • Any detailed plan, whether literal or figurative. 

  • A type of paper-based reproduction process producing white-on-blue images, used primarily for technical and architecture's drawings, now largely replaced by other technologies. 

verb
  • To make a blueprint for. 

  • To make a detailed operational plan for. 

How often have the words bar chart and blueprint occurred in a corpus of books? (source: Google Ngram Viewer )