Experience represents the knowledge of battle and special abilities a military unit gains as a result of additional training, or after experiencing real combat on the battlefield. In the context of Civilization V, experience allows a unit to gain a number of abilities which aren't the result of the unit's basic armament and type, and which help them in different combat or other situations. These abilities make a unit much stronger than other, inexperienced units, and in many situations may mean the difference between winning or losing the battle. Hence, experience is important for all players, but especially so for those attempting a domination victory.