They are generated on Khuton and build by Khutonese for years. The Khutonese used Nether Bricks to build their Village and bathed in Water. They Have fire resistance and haves tools and Weapons. They Build Big Houses, Stores, Farms, Wells, Bridges and Turrents.
The house is where they lived and kept their treasures. They have Large Chests, Crafting Tables, Furnaces and Beds.
They are where Khutons sell (trade) their Food or Items. There are Furnaces, Chests, Bookshelves and Crafting Tables.
They are similar to the one in the overworld.
Are where Khutonese get water.
They are just created for quick transportation since there are Rails and Minecarts there and there is an Abondoned Mineshaft there.
Are where Khutonese watch for views.