What really chuesok means.. here in korea Chuesok means(A time for family)

The origins of Chuseok can be traced back to Korea's past as an agrarian society. Chuseok is also known as Hangawi, which means the 15th day of August, according to the lunar calendar. ... Koreans celebrate Chuseok by making special foods, particularly a certain kind of rice cake called songpyeon.

What do you do on Chuesok: here are few
Visit a Traditional Site. ...
Have Fun at an Amusement Park. ...
Visit A Hot Spot. ...
Visit a Museum. ...
Enjoy Nature. ...
Have A Wellness Experience. ...
Take in a Performance. ...
Enjoy A Staycation.

And lastly why do they celebrate Chuesok

As one of Korea's three major holidays – the others being Seollal (January 1) and Dano (a day of spiritual rites) – Chuseok is traditionally celebrated to thank the heavens for a successful harvest and to hope for another in the year ahead.