The document discusses the Model-View-ViewModel (MVVM) architectural pattern, emphasizing its advantages such as separation of concerns and improved testability. It introduces the Ankor framework, which supports the MVVM concept and facilitates event-driven programming, asynchronous processing, and bidirectional communication. Additionally, it outlines the technology stacks for client and server environments and describes various features of the Ankor framework including support for multiple client technologies and annotations for enhanced functionality.