#lack__deficiency__want  the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost"
  supertype:  #need__demand  a condition requiring relief; "she satisfied his need for affection"; "God has no need of men to accomplish His work"; "there is a demand for jobs"
  subtype:  #absence.lack  the state of being absent; "he was surprised by the absence of any explanation"
     subtype:  #nonoccurrence  absence by virtue of not occurring
     subtype:  #awayness  the state of being elsewhere than in particular place
  subtype:  #dearth__famine__shortage  a severe shortage (especially a shortage of food)
  subtype:  #mineral_deficiency__mineraldeficiency  lack of a mineral micronutrient that is essential for normal nutrition or metabolism
     subtype:  #sideropenia  a deficiency of iron; results from inadequate iron in the diet or from hemorrhage
  subtype:  #stringency__tightness__tightnes  a state occasioned by scarcity of money and a shortage of credit

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