sìxiàng

four divisions (of the twenty-eight constellations [[二十八宿<èrshíbāxiù>]] of the sky into groups of seven mansions), namely: Azure Dragon [[青龍|青龙<Qīnglóng>]], White Tiger [[白虎<Báihǔ>]], Vermilion Bird [[朱雀<Zhūquè>]], Black Tortoise [[玄武<Xuánwǔ>]]