The next pattern we'll see in this chapter is the Facade pattern. When we discussed the Proxy pattern, you got to know that it was a way to wrap an type to hide some of its features of complexity from the user. Imagine that we group many proxies in a single point such as a file or a library. This could be a Facade pattern.
A facade, in architectural terms, is the front wall that hides the rooms and corridors of a building. It protects its inhabitants from cold and rain, and provides them privacy. It orders and divides the dwellings.
The Facade design pattern does the same, but in our code. It shields the code from unwanted access, orders some calls, and hides the complexity scope from the user.
You use Facade ...