What is the meaning of They?

A group of entities previously mentioned.

A single person, previously mentioned, but typically not if previously named and identified as male or female, especially if of unknown, irrelevant or (since 21st century) non-binary gender.

People; some people; people in general; someone, excluding the speaker.

The authorities: government, police, employers, etc.

The opponents of the side which is keeping score.

The, those.

Their.

There .

Alternative form of þei (they)

Alternative form of þi (thy)

Alternative form of þe (thee)

Alternative spelling of þey (thigh)

Alternative spelling of þey (though)

Alternative spelling of þey (though)

Alternative spelling of þey (two)

Source: wiktionary.org