Second-order cybernetics is a term that refers to the study of cybernetic systems, where the observer and the observed system are interconnected and co-evolving. Some synonyms for this term may include reflexive cybernetics, meta-cybernetics, cybernetics of cybernetics, and cybernetics of systems. Reflexive cybernetics emphasizes the recursive nature of the relationship between the observer and the observed system, while meta-cybernetics refers to the higher-level analysis of cybernetic systems. Cybernetics of cybernetics focuses on the self-regulation and adaptation of cybernetic systems, and cybernetics of systems deals with the integration of cybernetic systems into larger societal and environmental contexts. All these terms highlight the complexity and interconnectedness of cybernetic systems and their role in shaping the world around us.