You are SOUTH, what is the meaning of your last bid? 

1  NORTH        EAST        SOUTH        WEST
    ---         ---          1NT          2D
    3CL          P           3D 


2  NORTH        EAST        SOUTH        WEST
    ---         ---          1C           P
    1S           2H          DBL
                             2NT
                             3H

   
3  NORTH        EAST        SOUTH        WEST
    1H           P           1S          2CL
    P            P           DBL
                             2NT
                             3CL
                             3D                    
                            
4  NORTH        EAST        SOUTH        WEST
    1CL          P           1S           2H
    P            P           DBL  
                             2NT
                             3CL
                             3D
                             3H

                                
5  NORTH        EAST        SOUTH        WEST
    1D           P           1S          2CL     
*   P            P           DBL 
                             2H
                             3CL
                             3D

 
 
6  NORTH        EAST        SOUTH        WEST
    1NT          2H          2NT
                             3C
                             3D
                             3H      
 
     
      
7  NORTH        EAST        SOUTH        WEST
    --           --          1NT          P
    P            2H          DBL
      

     
8  NORTH        EAST        SOUTH        WEST
    1NT          P           P            2H
    P            P           DBL
        

     
9  NORTH        EAST        SOUTH        WEST       
    1NT          P           P            2S
    P            P           2NT
         
  

10 NORTH        EAST        SOUTH        WEST
    1NT          2CL*        DBL
                             2NT
  
* any suit (capp)