Ok, from what I know, you have the main hall, which includes your tables, chairs, and counter. Behind the counter would be the kitchen. Then you may have a second floor which had individual rooms. You could buy a room for a fixed sum, or sleep in the main hall for a much smaller fee. Chances are, that there'd be a fireplace or two.

Typically would be made of wood, perhaps stone if it's a nicer one. Some sort of sign indicating that it is a tavern, and I'd think some windows.

That's about all I know.

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