In this documentation, a system is a named collection of devices and services that together are treated as a single functional entity. Systems are organized hierarchically and documented under Systems. A system may contain sub-systems, and any given device may belong to one system, or no system at all.1
The concept of a system is distinct from a physical area: an area describes where things are located, while a system describes what they do together. A home network system, for example, spans multiple physical areas but is treated as one coherent thing.
In This Home
Systems documented in this vault include the [Home Network](30-Systems/Home Network/index.md), the [Home Automation](30-Systems/Home Automation/index.md) system (including [ESPHome](30-Systems/Home Automation/ESPHome/index.md) and [N8N](30-Systems/Home Automation/N8N/index.md)), and the Electrical system, among others.
Footnotes
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The relationship from a device to a system is established via the
partOffront matter property of the note representing the device. It is rare for a device not to be part of a system. ↩