Ichiinkai - Ichiinkai

...The Four-Inlay Mandala above the memorial service is a simplified version of the Four-Type Mandala to make it easier for the public to understand, combining a statue and a Sammaya form. The One-Inlay Mandala to the right of this is a mandala depicting the Vajrayana Vairocana making the Wisdom Fist Mudra within a moon wheel, and is a mandala that summarizes the Vajrayana Vairocana, symbolizing the doctrine of immediate enlightenment, in which one responds to the Buddha at the height of meditation and becomes one with the Buddha's body. The Rishu Mandala to the right of this is a mandala based on the Rishu Sutra, which seeks to realize enlightenment by affirming and sublimating the lust of men and women.

*Some of the terminology that refers to "Ichi-in-kai" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…供養会の上方の四印会は，大衆に理解しやすいように四種曼荼羅を簡略化した，尊像と三昧耶形併用の曼荼羅である。その右方の一印会は月輪内に智拳印を結ぶ金剛界大日一尊を描き，瞑想のきわみに仏と感応し，仏身と一如となる即身成仏の教理を象徴した金剛界総括の曼荼羅。その右方の理趣（りしゆ）会は，《理趣経》による曼荼羅で，男女の愛欲を肯定しながら昇華することによって，煩悩即菩提を求める曼荼羅。…

※「一印会」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