"Understand the why of the where" means to understand the reasons behind why things are the way they are in a particular place or location. This can refer to a variety of different factors, such as the historical, cultural, social, or economic factors that have shaped the development of a particular place. By understanding the "why" of a place, you can gain a deeper appreciation for its unique characteristics and better understand the context in which it exists. This can be useful in a variety of different contexts, such as when traveling to a new place, studying geography or history, or working in a particular industry that is tied to a specific location.