- walk up: the max height you can walk up a brush without jumping
- jump up: the max height you can jump up onto a brush without grabbing
- grab min: the min height a brush has to be so you can grab it and pull yourself up
- grab max: the max height you can jump and grab a brush
- grab max jump: the max height you can grab when you jump twice
- walk off hurt: the min height from which you take fall damage
- walk off die: the min height from which you take lethal damage when falling
- player width: min width for an opening so a player can walk through
- player height: min height for an opening so a player can walk through
- crouch: min height for an opening so a player can crouch through
Note, that there is a certain height of a brush, that you can grab but also jump up (60.375 qu - 66.500 qu). Also, you can climb up a slightly higher ledge (4.125 qu) when you jump a second time while trying to grab.