This is the 254th most frequent Swedish word.
kvinnan
"The woman."
Here, 'kvinnan' is the subject of the sentence, specifically pointing to a definite singular noun.
Kvinnan läser en bok.
The woman is reading a book.
In this sentence, 'kvinnan' acts as the direct object, referring to a specific woman identified or implied in the conversation.
Jag såg kvinnan på stranden.
I saw the woman on the beach.
Here, 'kvinnan' is the object of the preposition 'om', again referring to a specific previously mentioned or known woman.