#mail  the bags of letters and packages that are transported by the postal service
  supertype:  message  a communication (usually brief) that is written or spoken or signaled; "he sent a three-word message"
  subtype:  1st_class  express_mail  parcel_post  bulk_mail  third-class_mail  airmail {air_mail surface_mail}  registered_mail  special_delivery
  part:  missive__letter  a written message addressed to a person or organization; "wrote an indignant letter to the editor"
     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

No statement uses or specializes mail; click here to add one.