Subjective conscious mind is an analog of what is called the real world. It is built up with a vocabulary or lexical field whose terms are all metaphors or analogs of behavior in the physical world.
Julian JaynesThe bicameral mind with its controlling gods was evolved as a final stage of the evolution of language. And in this development lies the origin of civilization.
Julian JaynesWe invent mind-space inside our own heads as well as the heads of others ... we assume these 'spaces' without question. They are a part of what it is to be conscious. Moreover, things that in the physical-behavioural world that do not have a spatial quality are made to have such in consciousness. Otherwise we cannot be conscious of them.
Julian Jaynes