Questions & Answers about वह लड़की कमरे में बैठती है।
वह is a very common Hindi word with more than one use. It can mean:
- he
- she
- that
In this sentence, वह लड़की means that girl.
So here वह is acting like that, pointing to a specific girl.
Hindi does not usually distinguish he and she in pronouns the way English does. Context tells you which one is meant.
Yes, लड़की alone could be enough in some contexts. But वह लड़की is more specific.
- लड़की = girl
- वह लड़की = that girl
So the full phrase identifies a particular girl, not just any girl.