Constitutionalism refers to a political ideology and system of government that emphasizes the importance of a constitution as the supreme law of the land.

Justice is a foundational concept in ethics and moral philosophy that encompasses the principles of fairness, equality, and the just distribution of resources and opportunities.

Law is a system of rules and regulations that govern a community or society, created and enforced by legislative, executive, or judicial authorities.

The rule of law is a fundamental principle in democratic societies that ensures fair and just treatment for all individuals under the law.

The Wikipedia page "Separation of powers" discusses the concept of dividing powers and responsibilities among different branches of government to prevent concentration of power in the hands of one individual or group.