WSDL 2.0 Structure

<description>                       (Container for WSD)
  <types> … </types>                (Message schemas)
  <interface>                       (Service interface)
    <operation> … </operation>+     (Operations)
  </interface>+
  <binding> … </binding>+           (Transport details)
  <service>
    <endpoint> … </endpoint>        (Service locations)
  </service>
</description>