Terms that are used in conjunction with GPSBabel.
GPS based "paper chase", see http://en.wikipedia.org/wiki/Geocaching
a list of geopoints (often with names) connected in a specific order. Usually a collection of geopoints defining the route you want to pass while traveling, created by PC software, or generated inside a GPS device. They can be composed of existing waypoints, or new "routepoints" might be generated.
are geopoints that are not necessarily connected to other points, and their order is unimportant. They can be entered before, while or after you actually visit the place and might have tags like name, comment and the like. Usually used to mark special locations as your home, a hotel or a geocache.