Consolidated Russian control: Russian forces have a sustained presence and have established permanent, manned positions. Parts of this area are not transferred into the gray zone unless one or more gray zone conditions are respected.
Consolidated Ukrainian control: Ukrainian forces have a sustained presence and have established permanent, manned positions. Parts of this area are not transferred into the gray zone unless one or more gray zone conditions are respected.
Gray zone: The area is a no man’s land, contested, or mixed with positions from both sides.
Ditches
Dragon's teeth
Concertina wire and "MZP Putanka" trip wire