Opening 2 Diamond: 

4+ diamonds and 5+ in major, 10-14 HCP

                2H= pass or correct if you have spades

                2S= asking partner to pass with spades or return to diamonds

                2NT= coventional asking bid (inv or better)

                                3C- hearts and max       

                               3D – spades and max                                          

                               3H – hearts and min                                              

                                3S – spades and min

                3D/4D/5D= preemptive

                3C/H/S= 5+ cards, game force

                3NT= 4-3-3-3 sign off