What does the official ghost mean in Lubanchi?

Official ghost is one of the divination terms. In ancient times, officials assigned six hexagrams and five elements assigned eight diagrams, and the positions of parents, descendants, officials, ghosts, wives, wealth and brothers were all determined by the generation of six eight diagrams. Lu Banchi's full name is "Luban Building Ruler", which is a measuring tool used in building houses in ancient times, equivalent to the square ruler used by craftsmen now. Later, eight characters were added to carry out feng shui measurement to measure the good and bad luck of houses and houses, which was called "Menmi".