Command-pattern
The Command pattern is a Gang of Four behavioral design pattern in which an object is used to represent and encapsulate all the information needed to call a method at a later time
Facade
The Facade pattern is one of the Gang of Four's structural design patterns.
Others
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I guess the point that the article is trying to make here is that a facade is easier to implement when you already have this command-pattern in place from question Command pattern: shine some light |