A good exercise for this is to sketch out a rough idea of one of your app views. You may not know what it will look like yet and that's okay; this is purely an exercise to think about the user expectations as a first step to guiding your thought process into the various sections or modules you need to construct to meet those expectations. It will also help you think about the various states the app needs to manage.
Take, for example, the app we are going to build, TNSStudio (Telerik NativeScript (TNS)). We will dive into more detail of what our app is and what exactly it will do in Chapter 2, Feature Modules.
Starting from ...