The units in Civilization IV fall into different classes, such as "gunpowder units" or "air units". This category lists those classes.
“A Great Person is a unit representing a uniquely talented individual. Great People (GPs) have...Great Person (Civ4)
“Attack Submarine, Battleship, Caravel, Carrack, Carrier, Destroyer, East Indiaman, Frigate...Naval unit (Civ4)
“Here is a list of Siege Weapons, also known as Siege Units. Artillery, Cannon, Catapult, Hwacha...Siege Weapon (Civ4)
“Barbarians are a special "civilization" that is always at war with all normal civilizations...Barbarian (Civ4)
“Late in the game gunpowder units will form the backbone of your army.Here is a list of Gunpowder...Gunpowder unit (Civ4)
“The units in Civilization IV fall into different classes. Some units classes get bonuses against...Unit class (Civ4)
“Here is a list of Mounted Units in Civ4: Ballista Elephant, Camel Archer, Cataphract, Cavalry...List of mounted units in Civ4
Pages in category "Unit classes (Civ4)"
The following 14 pages are in this category, out of 14 total.