Responses to 1NT

7NT 7S 7H 7D 7C
         
6NT 6S 6H 6D 6C
         
5NT 5S 5H 5D 5C
         
4NT 4S 4H 4D 4C
         
3NT 3S 3H 3D 3C
to play. Natural, weak, 6+ card suit, preemptive. club-heart 2 suiter, invitational.
2NT 2S 2H 2D 2C
weak with clubs or two suited, invitational or better. natural, 5+ spades. natural, 5+ hearts. Game forcing Stayman. Non-forcing Stayman.
1NT 1S 1H 1D 1C
Launch Pad. Balanced, 10-12 HCP, or 12-14 HCP in 3rd seat.