Korean is a type of Human. Human is related to Language. Word is part of Language. Word is related to Secret. 
Column is related to Writing. Writing can be used for Entertainment. Entertainment is a synonym of Treat. Correct is a type of Treat. 
Korean --IsA--> Human <--RelatedTo--> Language <--PartOf-- Word <--RelatedTo--> Secret 
Column <--RelatedTo--> Writing --UsedFor--> Entertainment <--Synonym--> Treat <--IsA-- Correct 