O.U.D. Communicates Role Of Unit
Mapping Context To Function Is Useful
Player Gets It -- Fireman Unit Puts Out Fires
Player Baffled – Green Dragon vs. Red
Provides Clues (Or Inspiration)
About Potential Tactics with Unit
Tactics Specific to Area or Situation
Riverboat Useful At River
Less Differentiated Units Are Harder to Parse
Paladin vs. Holy Knight – Subtle Difference
Paladin vs. Necromancer – Much Clearer