SGA - Super Good Advice. Used in place of PSA (Public Service Announcement) or Pro Tip
TLW - The Last Word. Used in place of TL;DR (Too Long Didn't Read)
DoT - Damage over Time
DPS - Damage per Second
AoE - Area of Effect
ADS - Aim Down Sights
NPC - Non-player Character(s)
OP - Overpowered
MoL - Mote of Light
SC - Strange Coin
LFG - Looking for Group
LFM - Looking for Member
NM - Normal Mode
HM - Hard Mode
VoG - Vault of Glass
PuG - Pick up Group
AFK - Away from Keyboard
FR - Fusion Rifle
AR - Auto Rifle
HC - Hand Cannon
RL - Rocket Launcher
MG - Machine Gun
DO - Dead Orbit
NM - New Monarchy
FWC - Future War Cult