For many years, we've organized our development around user stories. What exactly is each user trying to accomplish, and what does that look like when they try to accomplish those tasks?
... this statement applies to just about any endeavor you can imagine... I've mostly heard it associated with education, the idea that you can get a good education anywhere if you work diligently at it and learn what the teacher has to teach -- and likewise, you can often skate by in good schools without coming out the other end with much learned.