Are you talking about tilting the board on edge versus torsional steering (ie twisting/torquing the board)
Actually, I'm not sure. Here is an excerpt from what i was reading:
Practice moving the snowboard edge to edge by applying pressure to the edge of the snowboard. Tilt the board less than in the first exercise and now focus on trying to bend the snowboard to make it change directions. To do this, assume a low stance posture and then extend the legs to press the edge into the snow. This should bow the the board, increasing it`s camber at this point and decreasing turn radius.
Apply these tactics to long radius turns on the flats with some momentum. First, tilt the snowboard and balance on it`s edge. Second, bend the snowboard by pressing on the edge as described above. The student`s goal is not speed or tight turns at this stage, focus on skid avoidance.