What are the symbolic things in Mid-Autumn Festival?

Mid-Autumn Festival (one of the four traditional festivals in China), also known as Mid-Autumn Festival, Moonlight Festival, Moonlight Festival, Mid-Autumn Festival, Mid-Autumn Festival, Mid-Autumn Festival and Reunion Festival, is a traditional folk festival in China. The Mid-Autumn Festival originated from the worship of celestial phenomena and evolved from the worship of the autumn moon in ancient times. At first, the festival of "Sacrificing the Moon" was held on the "autumnal equinox" of the 24 solar terms in the Ganzhi calendar, and later it was moved to August 15 in the summer calendar (lunar calendar). In some places, the Mid-Autumn Festival is set on August 16 in the summer calendar. Since ancient times, Mid-Autumn Festival includes offering sacrifices to the moon, enjoying the moon, eating moon cakes, playing with lanterns, enjoying osmanthus, drinking osmanthus wine, dancing dragons, watching tides, guessing puzzles, holding Mid-Autumn Festival in Guangdong, playing with deer, tying lanterns, burning incense, burning towers, chasing the moon by Mongols, "stringing the moon" by Deang people in Yunnan, and looking at the moon with wooden poles and pine branches by Koreans. Li people call it Mid-Autumn Festival.

Mid-Autumn Festival "Mind Map"