After 2NT

The meanings of opener's rebid after 2NT are summarised below:

Response	After 1H > 2NT	After 1S > 2NT
3C		5-5 in major
3D	6-card heart and 5-card spade	5-card heart and 6-card spade
3H	To play	6-card spade, GF
3S	6-card heart, GF	To play
3NT	To play	To play
4C	HSST, heart as trump	HSST, spade as trump
4D	HSST, heart as trump	HSST, spade as trump
4H	HSST, heart as trump	HSST, spade as trump
4S	HSST, heart as trump	HSST, spade as trump
4NT	Blackwood, heart as trump	Blackwood, spade as trump