There will be different types of buildings in the village, focused on specific functions. By spending resources, almost all buildings can be improved, depending on the level of the Town Hall at the time. The results will take some time to be displayed, depending on the level to which you want to upgrade.
The buildings that have been upgraded will be able to unlock more functions, such as the Quarters and The Library, which give access to various troops and spells. In addition to these, there are also mines that will give resources passively and defenses that will improve their damage and resistance. In other words, when each building improves. it will have multiple advantages depending on its functionality within the game.
All upgrades can be boosted up by spending the game token.