#edition.group  all of the identical copies of something offered to the public at the same time; "the first edition appeared in 1920" or "it was too late for the morning edition" or "they issued a limited edition of Bach recordings"
  supertype:  group__grouping  any number of entities (members) considered as a unit
     supertype:  collection  something gathering separated things (entities/situations)
        supertype:  divisible_entity__divisibleentity  many classifications under this category are application-dependant
           supertype:  entity  something that can be "involved" in a situation
              supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
           supertype:  divisible_thing__divisiblething
              supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

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