All your mind and consciousness is composed of light, which interacts on a quantum interface of sorts with the brain relative to potential futures, relative to spiritual, psychological, and physical needs and wants, and modifies our DNA and RNA. This is more or less the field called epigenetics. Energy exists in many different forms, including food, obviously. Information is simply the abstract form of what exists relative to communication primarily as used by agents, since we live in a universe which does not and cannot exist without agency. Images in the mind in some sense are the first of two creation events, first imagerial, second in spiritual, psychological, and/or physical action relative to values in story. Since the substance of spirit, emerging from God The Spirit and The Word, is what all things are fundamentally composed of, They are the fundamental nature of reality. That which is illusion are lies, because they are separate from the fundamental nature of reality. It can be called perhaps, darkness, which is not The Light.