Sure, but also tells something about the shape, and 9xxx is ok as stopper, I would prefer 10xxx, but 9xxx will do as well. Of course 2C works pretty well on the given hand, because our partner happens to hold 4 clubs, as it is, clubs is the first suit he would lie, if he had too. With kind regards Marlowe Partner could also have a singleton diamond too. I don't understand this argument, yes he could be 4432 even. Again you are thinking of the worst possible scenario and not the most common scenarios.