Learning Angular is not that hard, you can easily learn its fundamentals within a week. But when you entered the real world and start to build or working on a live application, it becomes quite hard to maintain the form/structure of the application. The complexity of your application will increase and the frequency of reusability of the component will increase as well. So, to overcome this problem we have to find a pattern which can help us to maintain it. How do you know your application is...