#part__section__division  one of the portions into which something is regarded as divided and which together constitute a whole: "the written part of the exam"; "the finance section of the company"; "the BBC's engineering division"
  supertype:  concept__conception__construct  an abstract or general idea inferred or derived from specific instances
  part of:  whole
  subtype:  beginning.part  the first part or section of something: "`It was a dark and stormy night' is a hackneyed beginning for a story"
  subtype:  middle  an intermediate part or section: "A whole is that which has beginning, middle, and end"- Aristotle
  subtype:  end.part  a final part or section: "we have given it at the end of the section since it involves the calculus"; "Start at the beginning and go on until you come to the end"
  subtype:  high_point  the most enjoyable part of a given experience; "the trumpet solo was the high point of the concert"
  subtype:  component.part__constituent__factor__ingredient  an abstract part of something: "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech"
     subtype:  mathematical_point__point  a geometric element that has position but no extension; "a point is defined by its coordinates"
        subtype:  point_of_intersection__intersection__intersection_point  a point where lines intersect
           subtype:  vertex  the point of intersection of lines or the point opposite the base of a figure
        subtype:  intercept  the point at which a line intersects a coordinate axis

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