Zodiac Aspect Trigrams
Each planet has a relationship to each other planet.
Each planet has is own zodiac trigram.
To understand the aspect or relationship between two planets (including Sun and Moon), put the two planet trigrams together and you get a hexagram.
The focus planet will be on the bottom and the affecting planet will be on top.
There will be a hexagram for each planet aspect, 90 aspect hexagrams.
Some hexagrams will be repeated often, and some will be missing. It depends on the horoscope configuration.