Terminology

Name Description
AC Aircontrol
AP Advanced Physics
CJ Circle Jump
CP Checkpoint
CVAR Console Variable
OB Overbounce
PB Personal Best record
SB Server Best record
Snapping Velocity Snapping
Speclock Prevent spectator from watching a player
Tele Teleporter
Velocity Snapping Referring to parts of physics rounding player velocity vector components each frame
VET Vanilla ET. Default game physics in Wolfenstein ET
VQ3 Vanilla Quake 3. Default game physics in Quake 3
WS Wallstrafe