Definition:
        A concrete object that is the end point of the action and comes into existence through the action (i.e., a subtype of Result).
        Example:
        AN OAK TREE will grow from that acorn.
        
      
     
    
      Product
    
      
       
   
    
      [
      
        +concrete
        
      
    ]
    
    
    
    
  
     
    
    
      
      
        Definition:
        Patient that exists at the starting point of action (inheritance from Source), which is transformed through the event into a new entity; concrete or abstract.
        Example:
        An oak tree will grow FROM THAT ACORN.
        
      
     
    
      Material
    
      
       
   
    
      [
      
        +concrete
        
      
    ]