Complex sentence: The sequence begins with an identified corner serving as benchmark, then gives distance, direction and various boundary descriptions as if one were walking the bounds pacing off the distance to the next corner where there is a change of direction.
Split into simpler sentences: The sequence begins with an identified corner serving as benchmark. The description then gives distance, direction and various boundary descriptions as if one were walking the bounds pacing off the distance to the next corner where there is a change of direction.