whats mean of "chilling" ? whats mean of chilling? ummm~~ just tell me please :)

introducing myself hello evryone, here i am. my born name called ratna setianingrum, but u just simply call me ratna . i am 19yo, and now i am study in indonesia university of education. so u can guess where i live . right? and ,.... nice to meet u all :) Great day ^o^

First notebook entry: Introducing myself i am learning because i want to go to korea some day ^^