# Node reference

There are 2 types of nodes: the ones in *Devices* window and the ones in the *Layouts*. By Layouts we mean *Layer Layouts, Projector Layouts* or *Mapping Layouts*.

{% content-ref url="layout-nodes" %}
[layout-nodes](https://docs.lightact.com/node-reference/layout-nodes)
{% endcontent-ref %}

{% content-ref url="device-nodes" %}
[device-nodes](https://docs.lightact.com/node-reference/device-nodes)
{% endcontent-ref %}