The festival celebrates, opens a new window three fundamental concepts that are closely connected:
Gathering, such as family and friends coming together, or harvesting crops for the festival. It is said the moon is the brightest and roundest on this day which means family reunion. Consequently, this is the main reason why the festival is thought to be important.
Thanksgiving, to give thanks for the harvest, or for harmonious unions.
Praying(asking for conceptual or material satisfaction), such as for babies, a spouse, beauty, longevity, or for a good future.