WordPress 101 Tutorials (for Administrators)
Below are some videos produced from iThemes that will give a basic overview of WordPress. Feel free to explore Youtube as well!
Logging on to WordPress: https://ithemes.com/tutorials/wordpress-login/
Admin Dashboard: https://ithemes.com/tutorials/wordpress-dashboard/
Admin Toolbar: https://ithemes.com/tutorials/the-wordpress-admin-bar/
Posts Vs Pages: https://ithemes.com/tutorials/wordpress-posts-vs-pages/
List of all videos: https://ithemes.com/tutorial/category/wordpress-101/