The basic structure is a block of stone processed to a shape of a vertically long tablet on which Bonji (Siddham script) = shuji (Sanskrit seed-syllable in Esoteric Buddhism), the name of a person commemorated, the date of commemoration, the items of commemoration are inscribed.
基本構造は、板状に加工した石材に梵字＝種子（しゅじ）や被供養者名、供養年月日、供養内容を刻んだものである。