Sun is the ID
The unconscious driver of who you are and the why(s) behind your wants and needs. Its want what you want to fulfill your souls requirements to live but isn’t a conscious choice but an innate request to have to be happy.
“The id is the primitive, instinctive component of personality that operates according to the pleasure principle. Freud referred to the id as the reservoir of psychic energy. By this he meant that the id houses the raw biological urges (to eat, sleep, defecate, copulate, and so on) the energize human behaviour. The id operates according to the pleasure principle, which demands immediate gratification of its urges. The id engages in primary-process thinking, which is primitive, illogical, irrational, and fantasy orientated.”
Moon is the Ego
The conscious and pre-conscious thoughts and reminders, how you think day to day.
“The ego is the decision-making component of personality that operates according to the reality principle. The ego mediates between the id, with its forceful desires for immediate satisfaction, and the external social world, with its expectations and norms regarding suitable behaviour. The ego considers social realities – social norms, etiquette, rules and customs – in deciding how to behave. The ego is guided by the reality principle, which seeks to delay gratification of the id’s urges until appropriate outlets and situations can be found. In short, to stay out of trouble, the ego often works to tame the unbridled desires of the id.
“In the long run, the ego wants to maximize gratification, just as the id does. However, the ego engages in secondary-process thinking, which is relatively rational, realistic, and oriented towards problem solving. Thus, the ego strives to avoid negative consequences from society and its representatives (for example, punishment by parents or teachers) by behaving “properly”. It also attempts to achieve long-range goals that sometimes require putting off gratification.”
Ascendant/Descendant is the SuperEgo
The conscious, pre-conscious and unconscious, which is the part enacting with other people externally.
“While the ego concerns itself with practical realities, the superego is the moral component of personality that incorporates social standards about what represents right or wrong. Throughout their lives, but especially during childhood, people receive training about what constitutes good and bad bahevior. Many social norms regarding morality are eventually internalised. The superego emerges of the ego around the age 3 to 5 years of age. In some people, the superego can become irrationally demanding in its striving for moral perfection such people are plagued by excessive feelings of guilt. According to Freud, the id, ego, and superego are distributed differently across three levels of awareness, which we’ll describe next.”
(c) Watcher, S, 2014. Astrology in Psychology. [ONLINE] Available at: http://freesiderealastrology.wordpress.com/2014/01/30/astrology-in-psychology/.
Weiten , W, 2010. Psychology: Themes and Variations, Eighth Edition. Wadsworth Cengage Learning, USA.