#improvement.state  a condition superior to an earlier condition: "the new school represents a great improvement"
  exclusion:  #decline
  supertype:  #condition.state__status  a condition or state at a particular time: "a condition (or state) of disrepair"; "the current status of the arms negotiations"
  subtype:  #betterment  an improvement that adds to the value of a property or facility
  subtype:  #development.improvement  a state in which things are improving; the result of developing (as in the early part of a game of chess); "after he saw the latest development he changed his mind and became a supporter"; "in chess your should take care of your development before moving your queen"
     subtype:  #underdevelopment.development  state of inadequate development: "much poverty can be traced to the underdevelopment of industry"
  subtype:  #renovation__restoration  the state of being restored to its former good condition; "the inn was a renovation of a Colonial house"

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