[W/K] :: MIME type

  MIME type
       
           The unique identifier used
          for different file types when conveyed across a MIME-based
          protocol such as MIME e-mail or HTTP.
       
          Registration of MIME types is explained in RFC 2048.
       
          Official MIME types
          (ftp://ftp.isi.edu/in-notes/iana/assignments/media-types/media-types).
       
          (1998-02-10)