In a sanctuary, this is finished by masters of the information custom to which the sanctuary has a place. The way toward giving importance is basically a profound cycle that is externalized for visual-spatial custom practice. Its belongings notwithstanding, remain simply otherworldly.
Furthermore, "otherworldly practices" have nothing to do with "spirits". Every ideal can anyway be perceived as special "unpretentious energy fields".
Our sanctuaries are known as kshetra (field) for a generally excellent explanation, as they are a physical portrayal of the human body. The god represents the kshetrjna, the knower of the field, the Atman, the Adiyajna, the Adipurusha, the Brahman, reality fundamental all reality.