#grouping  the activity of putting things together in groups
  supertype:  activity  any specific activity or pursuit; "they avoided all recreational activity"
  subtype:  pairing  the act of grouping things or people in pairs
  subtype:  punctuation  the use of certain marks to clarify meaning of written material by grouping words grammatically into sentences and clauses and phrases
     subtype:  hyphenation  connecting syllables and words by hyphens
  subtype:  phrasing  the grouping of musical phrases in a melodic line
  subtype:  categorization__categorisation__classification__compartmentalization__compartmentalisation  the grouping of things into classes or categories
     subtype:  indexing  the act of classifying and providing an index in order to make items easier to retrieve
     subtype:  reclassification  classifying something again (usually in a new category)
     subtype:  stratification  the act or process or arranging persons into classes or social strata
     subtype:  taxonomy  practice of classifying plants and animals according to their presumed natural relationships
     subtype:  typology  classification according to general type
  subtype:  collecting__collection__assembling  the act of gathering something together
     subtype:  collation.collecting  assembling in proper numerical or logical sequence
     subtype:  compiling__compilation  the act of compiling (as into a single book or file or list); "the job of compiling the inventory took several hours"
     subtype:  gather__gathering  the act of gathering something
        subtype:  harvest_home__harvesthome__harvest__harvesting  the gathering of a ripened crop
           subtype:  haying  the harvesting of hay
     subtype:  bottle_collection.collecting__bottlecollection  the collecting of bottles: "bottle collection is a hobby of hers"
     subtype:  coin_collection  the act or practice of collecting coins
     subtype:  conchology__shell_collecting__shellcollecting  the collection and study of mollusc shells
     subtype:  numismatics__numismatic__numismatology__coin_collecting  the collection and study of money (and coins in particular)
     subtype:  pickup.collecting  the act or process of picking up or collecting from various places: "garbage pickup is on Mondays and Thursdays"
        subtype:  garbage_collection__garbagecollection__garbage_pickup__garbagepickup__trash_collection__trashcollection__trash_pickup__trashpickup  the collection and removal of garbage
     subtype:  philately__stamp_collecting__stampcollecting__stamp_collection__stampcollection  the collection and study of postage stamps
        subtype:  aerophilately  the collection and study of airmail stamps
     subtype:  tax_collection__taxcollection  the collection of taxes
  subtype:  sorting  grouping by class or kind or size
     subtype:  triage  sorting and allocating aid on the basis of need for or likely benefit from medical treatment or food
     subtype:  separation.sorting  sorting one thing from others: "the separation of wheat from chaff"; "the separation of mail by postal zones"
        subtype:  threshing  the separation of grain or seeds from the husks and straw; "they used to do the threshing by hand but now there are machines to do it"
        subtype:  winnow__winnowing__sifting  the act of separating grain from chaff; "the winnowing was done by women"

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