Alert systems are tools designed to notify individuals or groups about important events or emergencies. They can be used in various settings, such as schools, workplaces, and communities, to provide timely information. These systems often use methods like text messages, emails, or loudspeakers to ensure that people receive alerts quickly. Common types of alert systems include emergency notification systems, weather alert systems, and fire alarm systems. Each system serves a specific purpose, such as warning about severe weather conditions or alerting occupants to evacuate a building. Their primary goal is to enhance safety and ensure that people are informed during critical situations.