Besides showing types of DHLinks and the source and type elements that have DHLinks, the DHLink Summary dialog displays the direction of the DHLink with an arrow. The arrow describes the direction of synchronization graphically, either unidirectional or bidirectional.
| Symbol | Type | Sync status | Description |
 | Two-way sync | Synchronized | Data synchronization can be performed on both sides, which are source or target with the Synchronized status. |
 | One-way Sync from MagicDraw | Synchronized | Selecting this synchronization mode allows the Data Source from the node with a DHLink in the other driver picks up changes from the MagicDraw Data Source. |
 | One-way Sync to MagicDraw | Synchronized | Selecting this synchronization mode allows the MagicDraw Data Source to pick up changes from the node with a DHLink in the other driver. |
| All | Pending Update/ Pending Delete | The relation status is PendingUpdate, PendingDelete, or Orphan, and the data are updated from the source to the target. |
| All | Pending Update/ Pending Delete | The relation status is PendingUpdate, PendingDelete, or Orphan, and the data will be updated from the target to the source. |
| - - - - - | All | Excluded | This symbol is used for a DHLink relation that has been excluded and has a virtual relation. |