There are many tutorials out there – and this post will merely introduce you to a few to start with. It would be brilliant if you could share your findings with me so I can add them here for everyone to enjoy and learn from :)
Please note this is a post in flux, i.e. it will be updated, changed and added to as fitting.
Links to websites you may find useful
Learning WordPress & WordPress TV
The organisation behind WordPress have a lot of materials for people publishing on WordPress websites and also those working with WordPress as web designers and web developers.
Learning WordPress is a website including training courses and videos for people that would like to learn more about WordPress. A lot of this information is aimed at experienced users and developer.
WordPress TV contains presentations from WordCamps, which are conferences for people using WordPress.
How to Create a Post or Page with the WordPress Block Editor
This is a video demonstrating how to create post and pages on WordPress.