The Joomla Stack Exchange page is a question-and-answer website. It is a community, and anyone can join. Once you join, you can ask or answer questions within the community.
Learn Joomla Fast is a YouTube Channel that teaches people how to use Joomla and all its features, extensions, and templates. It does an excellent job of walking through items and how they work.
The Joomla Community Magazine is released monthly on the internet. Every month there will be articles that aim to educate, inform, and challenge users. It is a community-driven magazine and is a great way to stay up to date on everything Joomla.
The Joomla Beginner website has a lot of good information for beginners. They have tutorials for learning the different features of Joomla. It also reviews different extensions and templates to help people select good ones.