This script is intended as an introduction to the fundamentals of constitutional law. It is expected not only from law students but also in many other training or (distance) study programs that the basic "functioning" of the Federal Republic of Germany is known. For example, what system is used to elect the Bundestag, what distinguishes the Bundestag from the Bundesrat, and what does "rule of law" actually mean? The name niederle media stands for scripts that are largely written by authors with several years of teaching experience as university lecturers or group leaders, presenting exam-relevant topics in a compact manner, which can usually be worked through in 1-2 days, thus saving time, are so understandable that even beginners can easily grasp them, and include case studies, overviews, and diagrams, all at a very affordable price.