#introduction  the first section of a communication
  supertype:  section__subdivision  a self-contained part of a larger composition; "he always turns first to the business section"; "the history of this work is discussed in the next section"
  subtype:  opening.introduction  foreword  preamble  prologue
  part of:  narration__narrative__story__recital__yarn  an account describing incidents or events; "a farfetched narrative"; "after dinner he told the children stories of his adventures"
  part of:  address.speech_act__addres  a formal spoken communication delivered to an audience; "he listened to an address on minor Roman poets"

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