Some software interfaces are windows into collections of features. The Uber app, for example, literally opens with a screen full of buttons, each of which take you to a different screen with yet more buttons and inputs. Google Search is also built with features – inputs, buttons, and links that take you to different capabilities in the app – as the building block. In both of these cases, there are a few clear and obvious tasks the user wants to accomplish when they open the app. In the ca...