This page is a stub. It's just something to get notes down, and is not final in any way.
How using the patterns can lead to better design by re-use consistency. If you pick a pattern, don't just pick it for the screen you are working on, but add to your documentation as a component that anyone can use on any part of the project. Communicate this to development. Then, only one of them is built, and used over and over. Consistent UX, as well as savings on development, QA, etc.