According to Wikipedia, a pronoun is a pro-form that substitutes for a noun phrase. In other words, in other words.
This leads to mass confusion and frustration, because when you're talking in non-specifics - like "him", "her", "it", or "there", I have no idea what you're saying.
Stop doing this. Don't tell me what she did, use her name. Pronouns are particularly obnoxious when used instead of proper directions while navigating. Pointing won't help; I'm concentrating on staying alive, not on where your hand is in the back seat.
How many have to die before you stop using pronouns because you're too damn lazy when talking?