Englishfor English speakers
director
Noun
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A director is a person who is in charge of something.
The film director was doing a very good job.
of
Preposition
—
Made using.
It is a house of cards.
protocol
Noun
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A protocol is a set of rules that describes how data is transmitted.
To get the domain name from the domain name server, the other computer has to send the right protocol.