Structures are buildings that can be built in order to perform a specific task. Only wood and stone resources are needed to create and upgrade structures. There are many functions of structures such as: support, unit recruitment, storage, army size, and resource mining. Some structures may have one main function and a secondary function.
Some structures allow you to recruit certain units for defensive or offensive purposes. Examples of these types of structures are: City Guard House, Training Ground, Stable, Moonglow Tower, Trinsic Temple, Workshop, and Shipyard.
The Warehouse is currently the only structure which can store resources.
Army Size (Barracks)Edit
Aside from the Castle this is the only one building that facilitates for army size.
These are the barrack capacities for cities with a level 10 castle:
Placing a barracks beside military structure (eg. Workshop, Stable, etc..) will increase the recruit speed of those particular units, with the exception of City Guards.