This is the symbol for a tank.
This is a BMP. Without the line across it, the symbol represents a generic APC, such as a BTR or BRDM
This is the symbol for the BRDM-2 ATGM. The symbol inside represents an Anti-Tank Missile.
When you put all of the symbols together, you create an enemy formation. Often, the probable path of the unit will be labeled with a solid line. The number of lines across front of the formation tells its size. One Line Platoon Two Lines Company Three Lines Battalion Four Lines Regiment This is an enemy battalion.
This is an artillery position area. The label stands for "Regimental Artillery Group". The symbol may also be labeled with the type of weapon system (i.e. 2S3).
This is an enemy battle position. Often called a "Bear Claw" it marks the general location and orientation of a unit in prepared positions. Again, the number of lines across the front of the unit mark its size. This is a platoon BP.
This is a battle position for a special type of platoon, called a CSOP (Combat Security Outpost). It is marked with a "C" to distinguish it. It usually consists of a tank and two BMP's. It is posted several kilometers from the enemies main defensive belt. It will attack your forces with rear and flank shots, causing you to deploy early.
This is the firing line for a 2A45 or T-12A battery. These are towed, split-rail anti-tank guns. They are usually deployed on the flanks of a defensive position. They are very hard to spot until they shoot. A firing line may also include Anti-Tank Missiles, noted with the symbol above.
This is an infantry strong point. The number inside will designate the number of troops in the strong point. These troops will undoubtedly include AT Missiles.