Learning UWP XAML
<Run> is an inline TextBlock Property and it can be used to format plain texts within the textblock like so:
Resources limited to a specific page should go just before defining the main Grid/StackPanel like so:
Resources can also be created inside certain context like a StackPanel/Grid by using
Grid.Resources. Resources can be created for XAML elements as well as any other control that needs to be reused.