I FOUND OUT SOMETHING!!!!

The Screen of the people on the boat is titled "Intro 3"
The screen of the 'fort' is titled "lab"
The screen of the library, cave or whatever is titled "Middle 2"
And the others are preview and not feeling well.

Also someone mentioned a child, there is also and baby in one of the ladies arms, is it possible these villagers are the children of the ones on the boat?
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-Isola Villager