> For the complete documentation index, see [llms.txt](https://docs.n8n.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.n8n.io/build/understand-workflows/workflow-components.md).

# Workflow components

This section contains:

* [Nodes](/build/understand-workflows/workflow-components/work-with-nodes.md): integrations and operations.
* [Connections](/build/understand-workflows/workflow-components/connect-nodes-together.md): node connectors.
* [Sticky notes](/build/understand-workflows/workflow-components/add-notes-and-documentation.md): document your workflows.
* [Canvas Groups](/build/understand-workflows/workflow-components/canvas-groups.md): organize related nodes.