#missive__letter  a written message addressed to a person or organization; "wrote an indignant letter to the editor"
  supertype:  textual_matter__textualmatter__text  the words of something written; "there were more than a thousand words of text"; "they handed out the printed text of the mayor's speech"; "he wants to reconstruct the original text"
  subtype:  business_letter  covering_letter  crank_letter  encyclical_letter  personal_letter  form_letter  open_letter  chain_letter  pastoral.missive  round_robin  airmail_letter  epistle  dead_letter  letter_of_intent
  part of:  mail  correspondence
  part:  postscript__PS  a note appended to a letter after the signature
  part:  name_and_address__address__addres  written directions for finding some location; written on letters or packages that are to be delivered to that location
     part:  zip_code__zipcode__postal_code  a code of letters and digits added to a postal address to aid in the sorting of mail

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