#data_structure  the organization of data (and its storage allocations in a computer)
  supertype:  organisation__arrangement__organization__system  an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"
  subtype:  hierarchical_structure__hierarchical_data_structure  a structure of data having several levels arranged in a tree-like structure

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