What's the difference between "route" and "track" in terms of navigation? Is there a conceptual difference or only a technical one?
For example OruxMaps treats the two terms differently: (source)
Waypoints, routes and tracks come from the GPX format specifications. The difference between routes and tracks is as follows:
Routes are simply a sequence of waypoints for navigation. For example, it can calculate the bearing or the distance to the next point.
Tracks are the actual recorded path. It is where you've been and when.
On Garmin units (and possibly non Garmin units), the difference is how you get from a Waypoint to the next Waypoint, with a Track the gap between Waypoints is always a straight line, With a Route the gap between Waypoints is 'routed' by following a road, path or other map feature and that map feature must be present, so Routes are map dependant, Tracks are not