The acronym "IoT" stands for the Internet of Things, which refers to the interconnected network of physical devices embedded with sensors, software, and other technologies that enable them to collect and exchange data over the internet. IoT allows devices to communicate and interact with each other and with central systems, creating smart ecosystems that improve efficiency and convenience. Applications of IoT span various domains, including home automation, healthcare, industrial monitoring, and smart cities. The growing IoT landscape promises to revolutionize how we live and work by enabling innovative solutions and enhancing data-driven decision-making.