We can use the term IoT ecosystem instead of IoT system because IoT devices have no value without the environment they exist in.
The Internet of Things (IoT) is a complex ecosystem of interacting elements, including sensors, gateways, servers, and platforms for accessing information.
The three facts (environment, data, people) bring the definition of an Internet of Things ecosystem, a network of interconnected devices that exists in some environment gathers the data and delivers it to people who process and analyze it using modern technologies to achieve a definite goal like building a smart home.
How does IoT technology do this? The answer is through several interconnected components that make up the IoT ecosystem.