Physicality is matter used for the construction of formations, machines and instruments of various kinds. Mentality is a specific substance used by mental instruments to create feeling and consciousness within physical bodies.
Spirituality is the essence of life that permeates all matter.
Matter, which is everywhere in Space, is indestructible but changeable. Mental substance, which is everywhere in Space, is indestructible but usable by changing physical bodies. Spiritual essence, which is everywhere in Space, is both indestructible and unchangeable. Matter is made up of changeable particles that can be dissolved. Spiritual essence is made up of unchanging particles that cannot be dissolved.