Naturally the necessity arose for a storeroom in the house, and also for a separate place in which to sleep; later it was thought that those who came to visit should not be taken into the kitchen or into the room where one slept, because these were sacred; yet they had to be taken into the house and not left out in the rain or heat. Therefore a room was made and set apart for guests; and with these few essentials in mind they built their houses.