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