And there are the famous Design Patterns. Brought to life by Christopher Alexander they bacame very familiar and useful. And yet, many confuse the name of the method with other things in life. The word Design, is indeed related to construction / creation / building not only structures for humans, but any structure that has any use. And when talking about use or functionality, we are touching the other 'extreme'. So on one hand we have pattern, and on the other - functionality. According to Gregory Bateson, they are indeed one.