HUD graphics meaning

Hello, I can’t find the meaning from both indicators 1° and 2°. Thank for your help.

m3

http://ardupilot.org/planner/docs/mission-planner-ground-control-station.html

Thanks but I meant I didn’t know the meaning of 1º Crosstrack, documentation about this in ardupilot.org is limited.

I found this interesting explanation about crosstrack:
https://www.rcgroups.com/forums/showpost.php?p=10263920&postcount=12

About the 2º Graphic I can’t find help.

Check this out: What is this bar on the HUD? - #2 by Michael_Oborne