Multisite Netword Administration
https://wordpress.org/documentation/article/multisite-network-administration/
Create a Basic Child Theme for Block Themes
https://learn.wordpress.org/lesson-plan/create-a-basic-child-theme-for-block-themes/
Block Theme erstellen
https://einstieg-in-wp.de/tt3-anpassen-08/
Beginner’s Guide to WordPress User Roles and Permissions
https://www.wpbeginner.com/beginners-guide/wordpress-user-roles-and-permissions/
Permissions
https://publishpress.com/permissions/