There have been thousands of books and articles written about leadership. There's also a plethora of companies today that teach leadership skills. In my experience, however, these resources are mostly someone's ideas or theories about the specific behaviors that define great leaders. Yet, if you look closely, you'll find that the behavior of inspiring leaders does not fit a specific mold. The wildly different Gandhi and Vince Lombardi were both great leaders, for instance.
So, regardless of behavior, what truly defines leadership? To me, it's the following seven inside-out traits: