Visual Studio provides many tools that we can make use of for designing applications, but having a solid foundation of knowledge about how layouts work is critical.
Fluid layout lets developers focus on application logic rather than layout and alignment, but there are cases where a static layout is desired. Luckily, Visual Studio allows us to integrate both approaches.
In this video, I will go over static and fluid layouts, and the tools available in the Visual Studio designer.
XAML Navigation, Layout, Views – http://msdn.microsoft.com/en-us/library/windows/apps/jj215600.aspx