Rank

In World of Warcraft
In World of Warcraft, rank can mean:
 * The relative effectiveness or level of a spell compared to a spell of the same type (removed).
 * The stepwise effectiveness of a talent in a talent tree. A talent with less than 2 ranks could be said to use only 1 rank, or no ranks at all.
 * Ranking in the military hierarchy of your faction.
 * Your position and assigned privileges within a guild hierarchy.

In Warcraft: Orcs & Humans
In Warcraft: Orcs & Humans, Rank is a title given to the player at the end of every mission depending on your Outcome and Score. The results screen will show your Outcome, Rank, Score, and other information.