The bidding systems consists of a set of bidding conventions and treatments. As an example you can see the conventions for the factory-shipped bidding system "advanced American" (F-AMC-A):
The explanation about "Smolen" is what you see when you have clicked at the item with the right hand mouse.
Note that the window displayed is only 1 of 10 similar windows - we did say that Q-plus Bridge offers a lot of bidding options! If you want to dig in deeper in that subject, please download the demo version.
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