Hello, @Bas Kling,
Sorry to say that but there is no specific documentation available like this.
But to know about static blocks you can read this: https://xstore.helpscoutdocs.com/article/47-static-blocks also there are some other articles available regarding to the static blocks you can also read them as well for a better reference to understand: https://xstore.helpscoutdocs.com/
Otherwise, you can ask any question here anytime, we are always here to help you.
Regards 8Themes Team.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.