Many things are attributed to Albert Einstein which probably never left his mouth, but one that seems to stick is:
If you can't explain it simply, you don't understand it well enough.
In this month’s explore the core series, we cover Access Control Lists (ACL). ACL are one of the most powerful parts of Joomla’s core, allowing you to give permissions to users to do as much or as little as you want them to while using your website.
Continuing our series introducing new features you’ll find in Joomla 4, this month we look at the improved email template system that allows you to override system email messages, as well as creating HTML templates on your site.
Joomla! Community Magazine™