When you are finding your your Lucky Element, you can see your birth chart and the scores of your Five Elements.
In the birth chart, the element in the upper Day column represents you. It's called Day Master in the Chinese astrology.
Five Elements are given nicknames (You, Kids, Money, Job, Mom) base on the relationship with Day Master. The formal names for them are the Companion Star, Child Star, Money Star, Career Star and Parent Star.
The Companion Star is the same kind of element with Day Master.
The Child Star is the element out of Day Master. From the circulating relationship of Five Element Relationship, we know Day Master generates the Child Star. Day Master is the mother of the Child Star.
The Money Star is the element which can be conquered by the Day Master. People own the things, such as money, when they conquer them. In Chinese astrology, people are interested in their money, so the name Money Star is used. See the the harmful relationships in the Five Element Relationship.
The Career Star is the element which is able to overwhelm, damage, destroy the Day Master. This element gives the Day Master a lot of pressure. In Chinese astrology, people are interested in their career, so the name Career Star is used. See the the harmful relationships in the Five Element Relationship.
The Parent Star is the element which supports the Day Master. From the circulating relationship of Five Element Relationship, we know Parent Star generates the Day Master. So the Parent Star is the mother of Day Master.