토정비결 is a traditional Korean fortune-telling method that originated during the Joseon Dynasty. It is based on the principles of I Ching and Chinese astrology, using a person's birth date to predict their fortune and life events. The practice involves interpreting various symbols and elements to provide insights into health, relationships, and career prospects. The name "토정비결" translates to "the secret of the earth," reflecting its connection to nature and the cosmos. Practitioners often create a personalized chart, which serves as a guide for individuals seeking to understand their destiny and make informed decisions in their lives.