#heart_and_soul__heartandsoul__kernel__substance__core__center__essence__heart__inwardness__marrow__meat__nub__sum__nittygritty  the choicest or most essential or most vital part of some idea or experience: "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
  supertype:  #cognitive_content__cognitivecontent__content__mental_object  the sum or range of what has been perceived, discovered, or learned
  subtype:  #hypostasis.heart_and_soul__hypostasi  (metaphysics) essential nature or underlying reality
  subtype:  #quiddity__haecceity  the essence that makes something the kind of thing it is and makes it different from any other
  subtype:  #quintessence.heart_and_soul  the purest and most concentrated essence of something
  subtype:  #stuff.heart_and_soul  a critically important or characteristic component; "suspense is the very stuff of narrative"

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