it

In the children's game of tag, the person designated to chase the others.

"You're it! Now run and catch us."

Used as a dummy subject or object, especially before an infinitive or clause.

"It is important to be kind."

Used to refer to a non-human thing, animal, or baby previously mentioned or understood.

"The cat caught a mouse; it was quick."

Informal term for sex appeal or sexual attractiveness.

"She's got it, a real star quality."

Impersonal subject for statements about time, weather, distance, or general situations.

"It's raining; it's five o'clock."