What does parent Shen Jia mean?

Shen Jia of parents is a numerology term based on the number of Chinese characters in eight-character numerology, in which "parents" represent parents who are destined to be, and "Shen Jia" represents a certain year. If the star "Pojun" in a person's horoscope appears in the "Parents' Palace" and the year is "Shen Jia", it is called "Parents Pojun Shen Jia".