The phrase identifies a particular sort of doc: a PDF file detailing the symbolic significance of the vestments worn by the Excessive Priest in historical Israel. These paperwork usually discover the spiritual and cultural meanings embedded inside every article of clothes, from the breastplate to the turban.
Finding out the symbolism of those clothes affords perception into the spiritual worldview, social hierarchy, and ritual practices of the traditional Israelites. Such evaluation illuminates the religious position of the Excessive Priest as mediator between God and the folks, and gives invaluable context for understanding associated biblical texts and historic interpretations.