Getting the hang of this.
Okay so, I think I understand the game's loop.

You go to different locations, do quests that double as tutorials to unlock new building for your village. After visiting the guard tower, I unlocked three different workshops, which I am now in the process of building.
Sadly you can't pin what ressources you'll need exactly, so it's a bit complicated, but suffice to say, you'll need a LOT of them, because you got logs, you got two kind of beams, and two king of planks, and mooore...