[TnTSCS]

Are they zones in a map (like buy zones or bomb planting zones)? What game is this for?

Example: With CS:S (and possibly others) you can check the bool of m_bInBuyZone the player has... other games might have other similar netprops dealing with zones. There's also m_b_InBombZone, and m_bInHostageRescueZone...