1. Supremacy: The constitution is the highest law in Nigeria, and any law or action that is inconsistent with it is considered null and void.
2. Written Document: The Nigerian Constitution is a written legal document that sets out the structure and functions of the government and the rights of citizens.
3. Federalism: The constitution establishes a federal system where power is divided between the central government and the states, each having its own area of jurisdiction.
4. Separation of Powers: It provides for a separation of powers among the executive, legislative, and judicial branches, preventing the concentration of power in one branch.
5. Fundamental Human Rights: The constitution guarantees and protects certain inalienable rights for Nigerian citizens, such as the right to life, freedom of speech, and the right to a fair trial.

Explanation:

This part of the question requires understanding the essential features of the Nigerian Constitution. It covers its status as the supreme law, its federal structure, and the fundamental human rights it guarantees.