1.Using System.Windows.Data namespace, you can integrate rich media, including drawings, text, and audio/video content in Windows Presentation Foundation applications.
2.It contains classes used for binding properties to data sources, data source provider classes, and data-specific implementations of collections and views.
3.It provides the types that support navigation, including navigating between windows and navigation journaling.
4.It contains classes for creating windows-based applications that take full advantage of the rich user interface features available in the Microsoft Windows operating system.