#warning system
- Alert — 1. Brisk, swift in movements, lively, agile, prompt, or dynamic; filled with physical or mental alertness. 2. An official signal, warning, state, or notification transmitted through a technical or security system to announce the imminent occurrence of a danger, emergency, or structural anomaly, requiring immediate vigilance or intervention measures. 3. (Military) A signal that places troops in a state of maximum operational readiness for combat.
- Alerting — The act of alerting and its result; the process, protocol, or gesture of warning, promptly notifying, or placing the population or rescue teams on alert in the face of an imminent risk. In crisis management and security, it defines the initial procedural stage whereby an emergency signal is transmitted to mobilize human and technical resources.