The correct answer is: devices.
IoT devices are the physical devices that are connected to the internet. They can be anything from smartphones and laptops to cars and appliances. IoT devices collect data and send it to the cloud, where it can be analyzed and used to improve efficiency, automate tasks, and provide new services.
The IoT terminal industry is the industry that develops and manufactures IoT devices. It is a rapidly growing industry, as the demand for IoT devices continues to increase. The IoT terminal industry is made up of a variety of companies, from large multinational corporations to small startups.
The IoT terminal industry is important because it provides the foundation for the IoT. Without IoT devices, there would be no IoT. The IoT terminal industry is also important because it creates jobs and drives economic growth.
The other options are incorrect because they are not specific to IoT devices. A network is a collection of connected devices. A cluster is a group of connected devices that work together to perform a specific task. Things is a general term for any object that can be connected to the internet.