SAP DRB
Document Relationship Browser
https://help.sap.com/doc/saphelp_nw70/7.0.31/en-US/21/ff683c43e87845e10000000a11402f/frameset.htm
The DRB in the Application Components
https://help.sap.com/doc/saphelp_nw70/7.0.31/en-US/21/ff683c43e87845e10000000a11402f/frameset.htm
