The term 'public residences' is used to refer to the palaces in castles, to the shoin (studies) in shrines or temples, to reception halls, and so forth, whereas 'private homes' refers to merchant or farmer houses.
なお、ここで言う「住宅」は城郭の御殿、社寺の書院、客殿などを指し、「民家」は町屋、農家などを指す。