The Windows Presentation Foundation (WPF) framework allows developers to create desktop applications with impressive graphics capabilities. To display data in a flexible and hierarchical manner, the DataContext class is used, which connects the front end to the code-behind and enables changes made to data in the user interface to update the data source. The tutorial guides through building a WPF application that visualizes data from different simulated sources using dependency injection features of .NET Core. The application creates a data dashboard with tanks and environmental data, demonstrating how DataContext is used to bind UI elements to underlying data structures. The tutorial covers creating views models, adding dependencies, and testing the completed application. It also highlights potential enhancements for further development.