Use this window to view, create, and modify a row
  template row. In a row template row, you can include another complete row. This window is
  reached via the New Row operation in 
	Row Template. If a
  row template row already exists, you can reach this window via the View Row operation in
  the same window. Select one or more row template rows in 
	Row Template.
  You can select several rows if they are of the same type. For the description of each tab
  in the window, follow the appropriate link: General
  and Layout.Activity Diagrams
  
  
Activity descriptions are available through activity objects in the Activity Diagrams.