This is the 17504th most frequent Russian word.
точную
"Exact" or "precise."
In this sentence, "точную" is used as an adjective in the accusative case, agreeing with the feminine singular noun "дату.", and means "exact".
Я знаю точную дату встречи.
I know the exact date of the meeting.
Here, "точную" describes the feminine singular noun "информацию." It indicates that the information needs to be precise or accurate.
Он требует точную информацию.
He demands precise information.
In this case, "точную" modifies "копию," emphasizing the accuracy of the replication. It is again in the feminine accusative form.