StaticResource, DynamicResource, x:Static – what’s all this about?

So, you know to write very complicated things in XAML code, but, really, do you know what’s the difference between static and dynamic resource? Do you know what’s really x:Static means? We’ll try today to understand differences and things we can do with this stuff. All those are markup extensions. Let’s start from the very beginning – MSDN A markup extension can be implemented to provide values