This is the 785th most frequent Russian word.
директора
"Директора" is the plural form of "директор," meaning "directors" or "managers" in English.
The word 'директора' is used in the genitive case here to indicate the person with whom the conversation took place.
Я поговорил с директора вчера.
I talked with the director yesterday.
In this sentence, 'директора' is in the accusative case, representing the object of the action (whom we saw).
Мы увидели директора на собрании.
We saw the director at the meeting.
Here, 'директора' is in the genitive case to indicate possession (whose schedule).