In addition to these four types, Jung defines a polarity between introverted and extraverted personalities. This distinction is based on how people invest energy: either into the inner, subjective, psychical world (usually called , soul, by Jung), or toward their outer, objective, physical world (including one's body).
In addition to these four types Jung defines a polarity between introverted and extraverted personalities This distinction is based on how people invest energy either into the inner subjective psychical world (usually called  soul by Jung) or toward their outer objective physical world (including one's body)