# Glossary

| Term      | Description                                                                                                                                 |
| --------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| Machine   | A machine is a single entity connected to `headscale`, typically an installation of Tailscale. Also known as **Node**                       |
| Namespace | A namespace was a logical grouping of machines "owned" by the same entity, in Tailscale, this is typically a User (This is now called user) |