It's a simple concept and it "works" over and over again.
But...what do I mean by "work"?
I mean, that this concept (...go by the numbers on the chart) helps me to understand, and to reveille what's obviously, but hidden from my eyes at the first glance.
It's a simple plan what to analyze step by step...from top-down...exploring different types of facts and finally putting them together into a story that makes sense.
That's it...no magic, just pure crafting.
And you can do this too!
Seriously, just start...