rdingly, in the JSON serialization, the terms
        "<code>name</code>", "<code>summary</code>", and "<code>content</code>"
        represent the JSON string forms; and the terms
        "<code>nameMap</code>", "<code>summaryMap</code>", and
        "<code>contentMap</code>" for represent the object forms.
      </p>

      <p>
        The special language tag <code>"und"</code> can be used within the
        object form to explicitly identify a value whose
        language is unknown or undetermined.
   