 the gate of the imperial palace, which indicates the person who lives in and possesses the palace; compare Sublime Porte, an old term for the Ottoman government), was once used (as in "The Mikado", a 19th-century operetta), but this term is now obsolete.Traditionally, the Japanese considered it disrespectful to call any person by his given name, and more so for a person of noble rank.This convention is only slightly relaxed in the modern age and it is still inadvisable among friends to use the given name, use of the family name being the common form of address.