Specifies the XLink traversal-from Specifies the XLink label Specifies the XLink traversal-to
extendedlink An XLink extended link Identifies the XLink link type extended An XLink extended link
locator An XLink locator in an extendedlink Identifies the XLink link type locator An XLink locator link
arc An XLink arc in an extendedlink Identifies the XLink link type arc An XLink arc link