Yes. Apart from devices, is it also intended to cover the communications and messaging channels, the (typically cloud) storage/reporting service, and other associated technologies/infrastructure.
Here is the list of major components which this site covers:
1) Physical Objects: Things.
2) strong text: Sense the physical environment.
3) Actuators: Affect the physical environment.
4) Virtual Objects: Electronic tickets, Agendas, Books, Wallets.
5) People: Ex.: Humans can control the environment via mobile apps.
6) Services: Ex.: Cloud services – can be used to:
• Process big data and turn it into valuable information
• Build and run innovative applications
• Optimize business processes by integrating device data.
7) Platforms: Type of middleware used to connect IoT components (objects, people, services, etc.) to IoT. Provide numerous functions:
• Access to devices
• Ensuring proper installation/behavior of device
• Data analytics
• Interoperable connection to local network, cloud or other devices.
8) Networks: IoT components are tied together by networks, using various wireless and wireline technologies, standards, and protocols to provide pervasive connectivity.