This area will only be visible, if you have subscribed to the Users & Authentication add-on. Within these pages you will learn how to transform segments in user selectable preferences that you can display in your app.
To access this page, expand the Audience menu and click in User Preferences like shown below:
In this page you'll be presented with a list of all the preferences like the one below:
Because this list will be visible in your app, you can rearrange its order, by dragging a record you can drop it into a new position:
To obtain detailed information or edit a preference simply click in a record from that list. You can learn how to create a preference by following the guide located here. Learn more about the editing a preference here.