Furuno BACK GP-80 - Manual (Page 99)

A-27
True bearing
Bearing relative to North; compass bearing
corrected for magnetic deviation. The GPS
receiver can display true or magnetic bearing.
Velocity to destination
The amount of speed in the direction (course)
of the desired destination.
Waypoint
A waypoint is a particular location on a voyage
whether it be a starting, intermediate or
destination waypoint.