#set.aggregation  a group of things of the same kind that belong together and are so used: "a set of books"; "a set of golf clubs"; "a set of teeth"
  supertype:  #aggregation__collection__accumulation__assemblage  several things grouped together
  member:  #volume.publication
  subtype:  #dentition__teeth  the kind and number and arrangement of teeth (collectively) in a person or animal
     subtype:  #primary_dentition__primarydentition  dentition of deciduous teeth
     subtype:  #secondary_dentition__secondarydentition  dentition of permanent teeth
  subtype:  #singleton.set  a set containing a single member
  subtype:  #pair__brace  a set of two similar things considered as a unit
     subtype:  #Tweedledum_and_Tweedledee__Tweedledee_and_Tweedledum  any two people who are hard to tell apart
  subtype:  #triad__trio__triplet  a set of three similar things considered as a unit
     subtype:  #trilogy  a set of three literary or dramatic works related in subject or theme
     subtype:  #Trimurti  the triad of divinities of later Hinduism
  subtype:  #quartette__quartet__quadruplet  a set of four similar things considered as a unit
  subtype:  #quintet.set__quintette  a set of five similar things considered as a unit
  subtype:  #sextet.set__sextette__sestet  a set of six similar things considered as a unit
  subtype:  #septet.set__septette  a set of seven similar things considered as a unit
  subtype:  #octet.set__octette  a set of eight similar things considered as a unit
  subtype:  #chess_set__chessset  checkerboard and a set of 32 pieces used to play chess
  subtype:  #manicure_set  a set of implements used to manicure
  subtype:  #sum__join  a set containing all and only the members of two or more given sets; "let C be the union of the sets A and B"
     subtype:  #direct_sum  a union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets
  subtype:  #set_intersection__setintersection__intersection__product  the set of elements common to two or more sets; "the set of red hats is the intersection of the set of hats and the set of red things"
  subtype:  #field_of_competitors__field  all the competitors in a particular contest or sporting event
  subtype:  #field_of_horses__field  (horse racing) all of the horses in a particular race
  subtype:  #character_field__characterfield__field  (computer science) a set of one or more adjacent characters comprising a unit of information
     subtype:  #bit_field__bitfield  (computer science) a field containing only binary characters
  subtype:  #bracket.set  a category falling within certain defined limits
     subtype:  #income_bracket__tax_bracket__taxbracket__income_tax_bracket  a category of taxpayers based on the amount of their income
     subtype:  #price_bracket__pricebracket  a category of merchandise based on their price
  subtype:  #conjugation.set  the complete set of inflected forms of a verb
  subtype:  #suite.set  a matching set of furniture
     subtype:  #bedroom_suite__bedroomsuite__bedroom_set__bedroomset  a suite of furniture for the bedroom
     subtype:  #diningroom_suite__diningroom_set  a suite of furniture for the diningroom
     subtype:  #livingroom_suite__livingroom_set  a suite of furniture for the livingroom
  subtype:  #choir.set__consort  a family of similar musical instrument playing together
  subtype:  #core_group__core__nucleus__nucleu  a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
     subtype:  #cadre  a nucleus of military personnel capable of expansion
  subtype:  #score.set  a set of twenty members; "a score were sent out but only one returned"
  subtype:  #threescore  a set with 3 times 20 members

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