dx:see 

Text detailing the usage of an element or attribute within another element.
For an element, that would be the text present outside the element.
For the attribute, this would be the text directly after the attribute name.

Element Information

Model

Source 

<xs:element name="see">
  <xs:annotation>
    <xs:documentation>Text detailing the usage of an element or attribute within another element. For an element, that would be the text present outside the element. For the attribute, this would be the text directly after the attribute name.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample