What's the meaning of 28 stars except direction?

Stars not only represent the direction, but also represent the time occupied by each star in 365 days of the year. For example, on the first day of the first month (room star), the second day is (wall star), and the third day is (chief). Push each other in turn. It also means good luck or bad luck. Every star has some good or bad characteristics. For example, (house) and (wall) stars are auspicious, while (chief) stars are unlucky. According to the constellation occupied by someone's birthday, the ancients can see the quality of the constellation through the astronomical phenomena, mostly according to the brightness of the sky area occupied by the stars. This law has been lost.