1S show 5+card and 1H show 4+card.

• 1over1: 6 HCP +  4 card+
• 1NT: 6-10 HCP. Denies 4 card suit which can be bid at 1-level.
• 2over1: 10 HCP+ 4 card+ (NB 5 card heart after 1S-2H)
• 1 to 2: 6-10 HCP. 3 card support in S and 4 card support in H.
• 2NT : Stenberg. GF with 4+card trump support.
• Jumpshift: Strong. Natural GF
• 1 to 3: 11-12 HCP. Invitational. Support in opening suit.
• 3NT: 13-15 HCP. Balanced hand. Denies 4 card major.
• 1 to 4: Unbalanced hand with good support. Not opening values. Often a unbalanced hand.

Pay attention to 2NT Stenberg. It has different responses than 2NT Jacoby.

Differences.

We use inverted Bergen.

• 3: 11-12 HCP. 4+Card Support.
• 3: 07-10 HCP. 4+Card Support
• 3maj: 3-6. 5+Heart- support or 4+Spades support.