ELI5: Explain Like I'm 5
Examples: capitalism, autocracy, cave diving, natural-language programming, static vs dynamic types

Shit

Shit is a bad word we use to describe something very bad or nasty. We should never say it and it's not polite.
Related topics others have asked about:
Artist's Shit, Defecation, Four-letter word, Outhouse, Profanity, Seven dirty words