You can view and verify the traceability of an item by looking at the reference dialog icon:
In case the item has some suspicious references, it will be orange:
If you click on the reference dialog icon the Reference Dialog opens:
In the dialog you can
- create new items by clicking on the box with red text inside or
- click on existing references to expand the tree
- double clicking on existing references to open a referred item
- add references (up or down-traces) by clicking on "Select"