olemus
ISO 22300:
meetod teabe edastuseks üldsusele
väljakujunenud võrkude kaudu;

method to communicate information (3.1.127) to the public through established networks
Note 1 to entry: The warning system can consist of risk knowledge, monitoring (3.1.155) and warning service, dissemination and communication, and response capability to avoid, reduce risks (3.1.215) and prepare responses against disaster (3.1.73).