The basic xaml definitions are in the Basic folder, and their internal structure is as follows: 
A description of them is given in the following table:
| Name | Use |
|---|---|
| Colors | contains 3 built-in color definition files |
| Basic.xaml | Wrapped basic xaml definitions |
| Behaviors.xaml | Contains all behavior definitions |
| Brushes.xaml | Contains all brush definitions |
| Converters.xaml | Contains all converter definitions |
| Effects.xaml | Contains all effect definitions |
| Fonts.xaml | Contains all font size definitions |
| Geometries.xaml | Contains all geometry definitions, mostly for Path |
| Paths.xaml | contains all Path path definitions |
| Sizes.xaml | Contains all size definitions |