Now you also asked me about this quadrant system I sometimes speak of. That hasn't been used much and may not be very useful. I just laid out a straight line across the page in front of me and put the modern, long-coated show line type Airedale at the left end of the line (left being socially progressive, liberal, and politically correct) and the extreme, shorter-coated "redline" type Airedale at the right end of the line (right being conservative).
I then drew lines from the two end points down to a central point to make an inverted pyramid and put old Airedale Jerry at that point (they all come from him, you know). Then I divided the horizontal line into four equal parts and connected the dividing points to the center point at the bottom. That gave me four quadrants, with the modern, longer coated dog being in the 1st quadrant and the classic "redline" type Airedale being in the 4th quadrant. There are all possible variations between the two extremes. I don't use this classification much and don't really know how practical it is, but my own breeding goal was and is the third quadrant dog.
By the way, I also used to say that the modern show line dog of the 1st quadrant type has been "much improved" over old Airedale Jerry, whereas the 4th quadrant dog is the same conservative, old "unimproved" type that Airedale Jerry was. Some people say that the "redline" type dog has more natural hunting drive than the 1st and 2nd quadrant Airedales do. I can't prove it myself but am inclined to believe that is true more often than not.
Liberal left Number I quadrant showing a couple of today's so called improved modern type Airedales with their soft sheep type coats left to grow out in their natural state. From my hunter's point of view I really can not make much of a positive case for a long soft curly coat such as those on these two Airedales pictured, it is just not practical.