The terminology of Roman law is general legal terminology, therefore, the basis of this publication is a dictionary of the main categories and concepts of Roman law. In addition, the book presents other sections designed to provide comprehensive assistance in studying the principles of Roman law. These are the most important laws and lawsuits of Roman private law, as well as the personalities of the greatest lawyers and historians of ancient Rome and the maxims and axioms formulated by them, which have become the most important principles of modern law.