Lessons of a Position

In this position, it is White to play. He has come this far and is not sure what to do further in the game. He has been doing some maneuvering here but it seemed quite disoriented. What is a good plan that will help White win? Black is really weak on the dark squares as his central pawns are fixed on the light squares and he has no dark-square bishop. White would first improve the placement of his strongest piece by playing 1. Qf4 with an eye towards penetrating along the dark squares -- e5 and d6 are both really nice squares for the queen. If Black defends passively, then White would also play Kd2, e3 to free his bishop as well.