2D, 2H or 2S = To play; this is doubler’s suit.
The meanings of bids in red aren’t part of basic Brozel but are recommended
2NT: Shows a very good 5-5 plus in the majors with game interest.
Responses:
3C = Artificial, showing some game interest in one or both of the majors.
3D = Asks which one: 3H = hearts or both, 3S = spades.
3D = Artificial, with a bad hand and equal length in the majors (often two).
3H = Shows no game interest and is your best fit (rarely could only be two)
3S = Shows no game interest and is your best fit (rarely could only be two)
3NT = Artificial, shows an equal fit in both majors and values for game.
4H = Shows a heart fit and enough values for game.
4S = Shows a spade fit and enough values for game.
3C/3D = Shows a solid 7-8 card suit. Partner can pass or bid 3NT with stoppers.
3H/3S = A solid 7-8 card suit. You can pass, bid four or bid 3NT with stoppers.
2D, 2H or 2S = To play with a very good suit and no interest in the doubler’s suit.
2C = Shows a two-suiter in clubs and hearts.
2D = Shows a two-suiter in diamonds and hearts.
2H = Shows a two-suiter in spades and hearts.
2S = Shows a two-suiter in spades and an unknown minor.
Responses to 2S:
2NT asks which minor (the same structure used in Hamilton/Cappelletti).
2NT = Shows both minors, as usual.
3C, 3D, 3H or 3S = Show a 7-8 card suit (but not solid if playing the meanings in red above).