1. How do fundamental concepts differ from underlying theories in the context of core principles?
Fundamental concepts are the basic ideas forming a subject's foundation, while underlying theories explain why these ideas work as they do.
Explication
Fundamental concepts are the basic ideas that form the foundation of a subject, providing the core knowledge, whereas underlying theories explain the reasons or mechanisms behind those ideas. The contrast lies in their purpose: one defines what the ideas are, the other explains why they are true or how they work.