a) An electronic communications network, which means transmission systems, whether or not based
on a permanent infrastructure or centralised administration capacity, and, where applicable, switching or routing equipment and other resources, including network elements which are not active, which permit the conveyance of signals by wire, radio, optical or other electromagnetic means, including satellite networks, fixed (circuit- and packet-switched, including internet) and mobile networks, electricity cable systems, to the extent that they are used for the purpose of transmitting signals, networks used for radio and television broadcasting, and cable television networks, irrespective of the type of information conveyed (Article 2(1) of Directive (EU) 2018/1972);
b) Any device or group of interconnected or related devices, one or more of which, pursuant to a
programme, carry out automatic processing of digital data; or
c) Digital data stored, processed, retrieved or transmitted by elements covered under points (a)
and (b) for the purposes of their operation, use, protection and maintenance.

Source: Directive 2022/2555 (NIS2)

glossary