Buildings
Wilderness - is land without any building on it, what you get from exploring and what you leave after pillaging.
Farms - Give food for a lot population and army, houses little population
Towns - House a lot of population and recruited army, population that generates geld
Nodes - Give mana, the main resource for performing magic.
Workshops - Expensive buildings that control the speed at which you can build.
Guilds - Buildings where you study magic, to learn spells and add them to your spellbook and to produce items.
Barracks - Buildings where you train population to be recruited for your army.
Fortress - Buildings that guard your kingdom and protect your army a bit in Siege battles.
Barriers - Surreal buildings that give resistance against enemy magic from affecting your kingdom.