1 - Enter a name for the trip.
2 - Check this option in case you want to send data about the trip to the server and subsequently explore or evaluate them, share them with other group's members etc.
3 - This option determines the distance which has to be travelled to be interpreted as a change of position. Thus a new waypoint is created, saved to the database, and optionally data are sent to the server. Possible span of values is 4 through 100 m.
4 - Save a new trip.