For those familiar with the One-Page Strategic Plan (OPSP), think about the 7 Strata framework as the “page behind the page” — a worksheet drilling down into the details of your Sandbox (WHAT you sell to WHOM and WHERE), Brand Promises, and the Profit per X and Big Hairy Audacious Goal (BHAG®), which are highlighted in columns 2 and 3 of the OPSP.