By Windows Application Technologies here we mean Technologies used in Stand Alone Applications. It is done through Windows Forms. Windows Forms is designed to develop rich client applications. It is a graphical API to display data and manage user interactions with easier deployment and better security in client applications.
Windows Forms offers an extensive client library providing interface to access native Windows graphical interface elements and graphics from managed code. It is built with event-driven architecture similar to Windows clients and hence, its applications wait for user input for its execution.