# Explanation The pages in this section provide additional context and deeper understanding of foundational topics and concepts relevant to the DNS operators. * [The DNS charms project](https://canonical.com/juju/docs/dns-charms/latest/explanation/project-overview/index.html.md) * [Project architecture](https://canonical.com/juju/docs/dns-charms/latest/explanation/charm-architecture/index.html.md) * [Security](https://canonical.com/juju/docs/dns-charms/latest/explanation/security/index.html.md)