in strategy games, explored regions are typically mapped automatically, but enemy activities are only visible on the map when they are within the line of sight. The fog of war refers to those mapped r [..]

The gray area of the map which can only be revealed by scouting.

The unseen battlefield/world, even in games that let you play with futuristic units and satellite systems, or games like Beyond Earth where you arrive from space.

In a game like Star Craft or Advance Wars, fog of war is a shadowy veil that obscures vision of units or other activity. You can see the terrain through this veil.

Refers to the portion of the map that is dark and unseen. If you cannot see an area, then it is said to be "fogged". Most of the map is "fogged" by default, such as Roshan's l [..]

The portion of the map not visible to one of the teams; each team has a different Fog of War. Spectators of a game can see all of the map except for the portions that are in both teams' Fogs of War.

The name given to the smoke produced on firing Black Powder weapons, this could be a serious problem in the Napoleonic era and could definitely hamper observation on the field of battle, for an exampl [..]