Game revolves around resource gathering by chopping or mining, while keeping enought stamina to do it.
Upgrade your fireplace to increase maximum stamina and regenerate it neat the fireplace faster.
To get new resources for your structures you can explore different areas. It may require building bridges and ladders.
To get more trees and rocks upgrade unlocked areas, so more new trees and stones will spawn.
Using skills will upgrade them and increase efficency of hits, however when you reach the tier limit you have to upgrade corrseponding workbench. It will increase efficency hugely but also increase stamina spent.
There are also renewable food sources such as berry bushes that can provide some fast stamina.