Final answer:
The second level of the Rule of Law pyramid is Legal certainty, which ensures clear, publicized, and stable laws that are applied evenly, protecting individual rights and the stability of the legal environment. So the correct answer is option D.
Step-by-step explanation:
In the Rule of Law pyramid, the concept on the second level is Legal certainty. Legal certainty means that laws must be clear, publicized, stable, and consistently applied. This ensures that people can have reasonable expectations of how the law affects them and can rely on a stable legal environment for personal and business affairs. It's defined as a component of the rule of law that protects individual and entity rights, ensuring that laws are clear, public, fair, and enforced, and applicable to all members of society.