So, this is my very personal attempt at creating a holistic, self-contained explanation of what these things are, individually, and most of all how they all play together in some sort of musical script that spans from Vision to Strategy, then from Strategy to Roadmap, then again from Roadmap to Agility so that in the end, all together, determine the most important outcome of the entire process: Innovation, the Holy Grail relentlessly sought after by modern companies.