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Communications data (sometimes referred to as traffic data or metadata) concerns information about communication.
Communications data is a part of a message that should be distinguished from the content of the message. It contains data on the communication’s origin, destination, route, time, date, size, duration, or type of underlying service.
- Convention on Cybercrime. Artikel 1(d): "traffic data" means any computer data relating to a communication by means of a computer system, generated by a computer system that formed a part in the chain of communication, indicating the communication’s origin, destination, route, time, date, size, duration, or type of underlying service.