The
            Symbol Service toolbar contains the following buttons:
         
-  
 Watch 
            - 
               
                  Adds the symbol to the
                     Watch window.
                  
                
             -  
 Inspect 
            - 
               
                  Opens the Inspect window
                     to show the value of the symbol.
                  
                
             -  
 Show
                  Definition 
            - 
               
                  If the symbol names a
                     user-defined function, this command opens the text editor window containing
                     the function definition and highlights the function.
                  
                
             -  
 Help 
            - 
               
                  Displays
                     information from the VLISP Help file, if the symbol refers to a
                     built-in function.