韓流

the spread of Korean cultural products (TV dramas, pop music etc) to other countries / Korean Wave

Korean Wave, aka Hallyu (the increase in international interest in South Korea and its popular culture since the 1990s)

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

Han, one of the Seven Hero States of the Warring States 戰國七雄|战国七雄 / Korea from the fall of the Joseon dynasty in 1897 / Korea, esp. South Korea 大韓民國|大韩民国 / surname Han