This grammar rule is using the exclusive form.

Exclusive form of grammar is used to refer to a specific object only.

He likes to take a walk in the park at dusk.

He is waiting eagerly for the release of the new game.

He admitted his guilt and had no choice but to wait for his punishment.

He cornered me slowly, as if strangling me with floss-silk.

He is good at multiplication.

We need to pay our accounts payable as soon as possible.

Our company's accounts receivable is currently one million yen.

The ribbon seal is a beautiful seal that lives in the Arctic Ocean.