What is the ternary in the ternary total record?

San Yuan Zong Lu was written by Mr. Liu Hongquan during the Wanli period of Ming Dynasty. It contains the trilogy of China people's unique life-life has a place to live, life has a marriage, and death has a place to be buried. The book is divided into three parts: house yuan, marriage yuan and trust yuan. The house yuan mainly talks about the good or bad of the yang house pattern, the marriage yuan mainly talks about the good or bad of the marriage pattern of men and women, and mainly talks about the good or bad of the yin house pattern. This book covers a wide range of subjects, including the ecliptic equator, the Three Walls, the Four Elephants, the Twenty-eight Nights, the Twelve Points, the Beidou, the Five Stars and the Six Obsidian in ancient astronomy, the Twelve Horizons, heavenly stems and earthly branches, the Twenty-four Solar Terms, the Seventy-two Seasons, the Year and the Day, the Twelve Kingdoms of Kyushu, the Four Disgraces of Five Mountains, the Pacific Ocean, the Fengshen Rainmaker and the Southeast and Northwest in ancient geography. Almost all-encompassing, it is really a melting pot of heaven, earth, people and everything in the world. It is a comprehensive, practical and influential book on auspicious choice, geomantic omen and numerology. In ancient China, this book was listed as a necessary bedside book for readers.