Specifically, the mound is a monument erected to offer prayers, to express gratitude, or as a memory of memoria service, in various faiths constituted through syncretization of the Ancient Shinto (a Japanese folk religion) with esoteric Buddhism and Inyo gogyo shiso (Yin-Yang Wu-Hsing Idea) of Taoism.
具体的には日本の民間信仰である古神道に、密教や道教の陰陽五行思想などとの習合した様々な信仰において、祈願祈念や感謝や慰霊の記念として建てた碑。