世 society

To start a new society, populate a deserted island with kids you make when you have SEX with the rapper YO-YO.

In this dog-eat-dog society, losers get shoved into a pit.

the world ★★★★★
世 (society) + 界 (the world) = 世界 (the world)

the world, as in "biggest in the world!" "fastest in the world!"

the world ★★★★☆
世 (society) + 中 (middle) = 世の中 (the world)

the social, everyday world - more poetic than 世界。 Used in dramatic declarations like, "I'm sick of this fuckin' world!" "I don't care about this life!" "Poor Kurt Cobain, he was just too sensitive for this cruel world!" Also, usually implies JUST Japanese society.

public opinion ★★☆☆☆
世 (society) + 論 (make a case for) = 世論 (public opinion)

flattery ★☆☆☆☆
世 (society) + 辞 (quit) = 世辞 (flattery)

take care of ★☆☆☆☆
世 (society) + 話 (conversation) = 世話 (take care of)

to take care of someone sick or old or retarded. What your mom did.