This is the third article in the recently started series titled Developer Tips, which offers concise hints to enhance productivity. All the articles in the series can be accessed from here.
A style is characterized by a collection of interrelated properties that aim to improve resource management within the application. It is defined as a list of Setters. A Setter has a property and a value.
Styles can be incorporated into the Resources property, of type ResourceDictionary, defined at the VisualElement level.
Developer Thoughts 