The term "Gyokei" or "Junkei" is used to refer to a visit by the Empress, the Empress Dowager, the Crown Prince, or the Crown Princess, while "Gyokokei" or "Junkokei" is used if the Emperor is also present for the visit.
皇后・皇太后・皇太子・皇太子妃の外出を行啓（ぎょうけい）/巡啓と言い、行幸と併せて行幸啓（ぎょうこうけい）/巡幸啓と言う。