This is the 300th most frequent Greek word.
κόσμου
"Κόσμου" means "of the world" or "of the universe."
Here, 'κόσμου' again appears in the genitive case, specifying that the 'problems' pertain to the 'world'.
Τα προβλήματα του κόσμου απαιτούν προσοχή.
The problems of the world require attention.
In this example, 'κόσμου' is in the genitive case and implies that 'opinions' are held by or relate to the 'world'.
Είναι σημαντικό να κατανοούμε τις διαφορετικές απόψεις του κόσμου.
It is important to understand the different views of the world.
In this sentence, 'κόσμου' is used in a genitive case showing possession or belonging, indicating that the 'beauty' is of the 'world'.