an older man wearing a suit has his arms folded behind his back and looking in a store window.
Businessman considers buying a gift.
The man could have been a tourist who was just wasting time instead of a business man who's considering buying a gift.
Just because a man is wearing a suit does not mean he is a businessman. And just because he is looking in a store window does not mean he is thinking about buying a gift.
Not all men that wear suits are a Businessman.