diagram vs floor plan

diagram

noun
  • Electrical diagrams show device interconnections. 

  • A plan, drawing, sketch or outline to show how something works, or show the relationships between the parts of a whole. 

  • A functor from an index category to another category. The objects and morphisms of the index category need not have any internal substance, but rather merely outline the connective structure of at least some part of the diagram's codomain. If the index category is J and the codomain is C, then the diagram is said to be "of type J in C". 

  • A graph or chart. 

verb
  • To schedule the operations of a locomotive or train according to a diagram. 

  • To represent or indicate something using a diagram. 

floor plan

noun
  • A layout representation of where the major functional blocks of an integrated circuit will be physically placed. 

  • A diagram, usually to scale, showing the layout of a building. 

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