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

   1  NORTH        EAST        SOUTH        WEST
      1D           1H           2H          3H
      4C           4H           PASS 
                                4SP
                                4NT
                                5CL
                                

   2  NORTH        EAST        SOUTH        WEST
       ---         ---          1D          1H
       3H          4H           PASS
                                4SP
                                4NT
                                5CL                  
   
   3  NORTH        EAST        SOUTH        WEST
      -----        ---         1SP          PASS
      2NT          PASS        3SP          PASS       
      4D           DBL         PASS
                               RD
                               4H

   4  NORTH        EAST        SOUTH        WEST
      1SP          PASS        2NT          PASS
      3SP          PASS        4D           DBL      
      PASS         PASS        RD
                               4H
      

                                
   5  NORTH        EAST        SOUTH        WEST
      1NT          PASS        2H           PASS
      2SP          PASS        4CL          DBL 
      PASS         PASS        RD
                               4D
 
   6  NORTH        EAST        SOUTH        WEST
      3H           DBL         RD
                               3SP
                               3NT
                               4CL
                               4D
                               4NT 
 


       
   7  NORTH        EAST        SOUTH        WEST
      4SP          4NT         DBL       
                               5CL
                               5D
                               5H
   

   8  NORTH        EAST        SOUTH        WEST
       1H          3D          4CL         
       PASS        PASS        DBL
                               4SP
                               4NT

  
   9  NORTH        EAST        SOUTH        WEST
      ---          ---          ---         1D
      PASS         1H          2SP          4H
      4SP          6H          DBL
   
       
  10  NORTH        EAST        SOUTH        WEST
       1SP         PASS        1NT          P
       PASS        2H          DBL