#demand.request  an urgent or peremptory request; "his demands for attention were unceasing"
  supertype:  request__petition  a formal message requesting something submitted to an authority
  subtype:  challenge.demand  a demand by a sentry for a password or identification
  subtype:  ultimatum  a final peremptory demand
  subtype:  insisting__insistence  continual and persistent demands
  subtype:  duty_call__call__claim  a demand especially in the phrase "the call of duty"
  subtype:  requisition  the act of requiring; an authoritative request or demand (especially by a military or public authority that takes something over (usually temporarily) for military or public use)
  subtype:  card_call__call  a demand for a show of hands in a card game; "after two raises there was a call"
  subtype:  margin_call__call  a demand by a broker that a customer deposit enough to bring his margin up to the minimum requirement
  subtype:  wage_claim__pay_claim__payclaim  the wage demanded from management for workers by their union representatives

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