> For the complete documentation index, see [llms.txt](https://docs.developer.disruptive-technologies.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.developer.disruptive-technologies.com/concepts.md).

# Concepts

- [Devices](https://docs.developer.disruptive-technologies.com/concepts/devices.md): An overview of devices, where they can be found, and the various types.
- [Events](https://docs.developer.disruptive-technologies.com/concepts/events.md): An overview of the various event types that can be encountered throughout our services.
- [Topics](https://docs.developer.disruptive-technologies.com/concepts/usage-examples.md): Various overviews, guides, and articles.
- [Temperature Measurement Interval](https://docs.developer.disruptive-technologies.com/concepts/usage-examples/2.gen-temperature-sensor.md): A quick showcase on how to interact with the sampling interval of the 2nd and 3rd generation temperature sensors.
- [Motion Sensor Activity Timer](https://docs.developer.disruptive-technologies.com/concepts/usage-examples/motion-sensor-activity-timer.md)