Use Tags to associate Requirement Types and Concepts with each other. Additionally, Tags make Requirement Types easy to filter and search.
 on the right and select 
                  			 Add Child Tag... 
                  		   
                  		   The 
                  			 Create a child tag dialog box opens.
 on the right and select 
                  			 Add Child Tag... 
                  		   
                  		   The 
                  			 Create a child tag dialog box opens.