title: Merged ResourceDictionary vs App.xaml
body: <p>I am reading up about the ResourceDictionary and have come to a confusing point.</p>
  
  <p>It appears I can only have 1 ResourceDictionary per XAML. So, if I wanted to use more than one, I can Merge the ResourceDictionaries.</p>
  
  <p>If I can merge dictionaries then where should 'global' styles live? I could have an ApplicationResourceDictionary with all the styles which are to be consistent throughout my application OR, I could save this information into the App.xaml file. both appear to be valid options but I don't know if that is the case.</p>
  
  <p>Is this about personal choice or is one better than the other? It would appear keeping them in ResourceDictionaries is better because all styles are together (within the dictionaries) instead of splitting some in XAML pages.</p>