Frequency: The word is one of the 700 most common words in English.
Note: 'Them' is a third person plural pronoun. 'Them' is used as the object of a verb or preposition.
1.
You use them to refer to a group of people, animals, or things.
Kids these days have no one to tell them what's right and wrong...
His dark socks, I could see, had a stripe on them.
PRON: v PRON, prep PRON
2.
You use them instead of 'him or her' to refer to a person without saying whether that person is a man or a woman. Some people think this use is incorrect.
It takes great courage to face your child and tell them the truth.
PRON: v PRON, prep PRON
3.
In non-standard spoken English, them is sometimes used instead of 'those'.
'Our Billy doesn't eat them ones,' Helen said.
DET