There are lots of abbreviations in the military so we won't cover all of them, but let's cover some of the most common that you will come across.
SOP - Standard Operating Procedure. An SOP is a simply way to let people know what the procedure is for a certain action.
AO - Area of Operation. An Area of Operation is a designated area allowed to conduct a particular Operation. Commonly shown in a red square.
WLZ, HLZ - Wheeled/Helicopter Landing Zone. These are ways we insert into an AO.
DP - Drop Point. A DP is a location similar to LZ but mainly for Supplies or Para Jumping into a location this is the point we drop from.
RP - Rally Point. A Rally Point is a point where we regroup and rally together.
HP - Hold/ing Point. A HP is a location we hold until a Execution phase is initiated.
OBJ - Objective. An Objective is a location where we have our main goal to complete. This is may be a Raid or similar objective.
RECCE - Reconnasaince. A RECCE is a position we conduct reconnaissance for a typical area or objective.
MEDEVAC - Medical Evacuation. A Medical Evacuation point is a location to pick up any casualties that may have been sustained during an operation.
EVAC - Evacuation. An EVAC is used to evacuate an area, typically conducted once the mission has been completed or when it is required to do so.
SBF - Support By Fire. A Support By Fire position is a location where an SBF team is to conduct support via Rifles, Machine Guns or Launchers to assist an Assault Section or any other section conducting a task or movement.