A style of behavior that one is born with, composed of an intellectual style and emotional style, and which can grow into a full, well-rounded personality over the lifetime. It is the raw material of identity, and gives us tendencies to communicate a certain way, to have certain dominance in particular psychological resources, to feel fulfilled in certain ways, which differ from the other three types of temperament.
It is an average of our emotional and intellectual tendencies, and is like our "common denominator" of behavior, the style to which we revert, regress, or fall back on to rely on in times of stress.
It tells us whether we tend to dive into book learning, or people, or new places, new associations or other demographic reliances when under stress.


This instinct has depth to it, especially in terms of the symbolism of the singular focus of a man who is challenged with a noble cause, yet who must fight his way through the confusing, threatening "maze" of the world at large. Today, this double predicament of needing to focus on one's specific challenges, while also needing to "find orientation" in the ever-changing world, may be symbolic of the modern workplace for men. In their tasks, they need the privacy of Hades' Underworld, the skills of their wits and the 
Being transparent is a character "
Combining the first four with the latter four, give us 16
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