What are the five elements, four pillars and eight characters of numerology?

The five elements refer to wood, fire, earth, gold and water, which is the wisdom of the ancients, including everything in the world. Four pillars: annual column, moon column, sun column and hour column. Each pillar is named after eight characters, namely heavenly stems and earthly branches. Every heavenly stems and earthly branches has its own specific space-time image. After long-term exploration and research, the ancients established a complete theoretical system, and solved the good fortune and bad fortune through the combination of punishment.