I remember trying to read this some months ago. I didn't understand squat.
http://osamuko.com/2009/02/18/umaike...aori-and-suji/
It took that example I gave to finally realize: "Holy crap. I can use this 'suji' knowledge as an offensive weapon." Of course, when there's an offense, there's a defense to respond to it; and that defense is mapped out right in that guide.