To answer at the classic question “…. ok, but what is Agile? and Lean… ah, yes… also DevOps?!?” what do you think about this definition?

Agile, Lean and DevOps are a set of Values, Principles and Practices, focused on people, and supported by tools and automatisms, that help the whole company to achieve the best values from it’s business initiative, working in an efficacy and efficient way.