This document discusses different aspects of constitutions and constitutional law. It defines rules, moral rules, and legal rules, noting both similarities and differences. It defines the law of a state and discusses different types of laws. It provides multiple definitions of a constitution, emphasizing it as the fundamental and supreme law that establishes a government's structure and powers. The document notes unique features of constitutional law, such as stating general principles, including elastic principles, and being primary and supreme. It also discusses how constitutions can vary in their structures, with some based on general documents, some on detailed documents, and some having no single document.