In FAIS compliance, the distinction rests on the level of obligation. A fiduciary duty means loyalty and acting in the client’s best interests, placing the client's needs above the adviser’s or the licensee’s own interests. It encompasses prioritizing the client, avoiding conflicts, and disclosing any that arise so the client can make informed choices. A duty of care, by contrast, is about delivering services with reasonable skill and diligence—the standard of care expected from a competent professional. It focuses on how the advice and service are performed, not necessarily on placing the client’s interests above all else. That’s why the correct answer fits best: a fiduciary duty requires loyalty and acting in the client’s best interests, while the duty of care is about providing services with reasonable care. In practice, fiduciary duties elevate the obligation beyond routine competence to a trust-based standard; duty of care ensures competent, careful execution of advice and processes. Why the other statements don’t fit: saying they’re the same concept ignores the loyalty element that characterizes fiduciary duty; suggesting duty of care demands loyalty above all else reverses the actual emphasis; and claiming fiduciary duties apply only to not-for-profit organizations misstates the scope, which covers relationships where clients rely on the adviser’s guidance.