The location question lets a user add a custom point of interest onto a map.
When the map interface is exposed, the location will default to the user's location using the phone's location services.
The user can then drag a map marker to a location that they want to log. This information is stored in Latitude and Longitude.
Note, this question is different from the automated collection of location data that is authorised a as a preference by a user from the web form builder.