Magellan SporTrak SporTrak Color Reference Manual page 48

Appendix
WPT
XTE
86
Waypoint. A location saved in the receiver's memory which
is obtained by entering data, editing data, calculating data or
saving a current position. Used to create routes.
Cross Track Error. The perpendicular distance between the
present position and the courseline. Given as a distance,
right or left, of course when facing the destination.
SporTrak Color GPS M apping R eceiver