(explanation)=
# Explanation

The explanatory guides in this section introduce you to the concepts used in LXD and help you understand how things fit together.

```{toctree}
:titlesonly:

About authentication </authentication>
/explanation/clustering
/explanation/containers_and_vms
/image-handling
/explanation/instances
/explanation/lxd_lxc
/explanation/networks
/explanation/performance_tuning
/explanation/projects
/explanation/security
About storage </explanation/storage>
/database
```
