figure 4 is on the edge of front quadrant.
One arm lands in the water while the other is 90 degrees down.
If both arms are in front of head during cycle, you are swimming in front quadrant.
Its mostly to keep the weight in front of the lungs to help balance, for a hipdriven stroke with weight shifts, and for staying long most of the time
mushroom have you already worked your way through this thread?
Long, but interesting at times.