Observation - Kanrei

...This is a direction that adds the two directions of heaven and earth to the four directions, that is, it is a direction that overlaps the two directions of heaven and earth within the five directions. The ritual tool that symbolizes this three-dimensional space is the Homing that appears in the "ritual" Kanrei, which refers to the ceremony in which the emperor meets with the feudal lords. The audience is held in a place called the palace, which is surrounded by four walls and has four open gates, and a triple platform is set up in the center....

*Some of the terminology explanations that refer to "kanrei" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…これは4方に天地の2方を加えた方位，つまり5方の中に天地の2方を重ねる方位である。この三次元空間を象徴化した祭祀用具が《儀礼》観礼にみえる方明で，観礼とは天子が諸侯に謁見する儀礼をさす。謁見は宮と呼ばれる4壁に囲まれ4門を開いた場所で行われ，中央に三重の壇を設ける。…

※「観礼」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報