Most IT exists to support other IT, not your business directly. A part of this is that stack/web of platforms on which your applications depend. How does that for instance affect #informationsecurity in your designs?
It is an old adagium of warfare: Amateurs talk Strategy, Professionals talk Logistics. Maybe surprisingly, this is true in IT as well. Maybe it is true in any complex and unpredictable situation, which 'big IT' is more and more turning out to be. Logistics considers Strategy a small snack.