 Hi, this introductory unit, probably your first with teaching and learning scenarios of the 21st century, provides an overview of classical teaching and learning scenarios and discusses the options to make them fit for the new millennium. These are referred to as digital enhancement and digital integration. Make sure you understand the differences between these two methods of digitalization. In the virtual session with which we recommend to start, we will first deal with the standard teaching format in the high-level education, the lecture. We will define its main properties, its benefits and disadvantages and will discuss the effects of digital enrichment or enhancement and digital integration. If you are not sure where to start in the virtual session, you can use the optional question sheet with its hyperlinks and default guidance. The mastery worksheet presents some introductory questions about teaching and learning that are all discussed in the virtual session. Finally, like all units, this one involves a practical sheet where you find numerous interesting tasks for further research. Try on your own first, the model solutions will be given once the next unit comes into focus. Surely a lot of material, but we are sure, at the same time, enjoyable and profitable. So, good luck!