/kɑnstɪˈtuʃənəl ˈɪnstrəmənt/ – Phrase
Definition: hiến pháp.
A more thorough explanation: A constitutional instrument refers to a legal document or instrument that is created or authorized by a constitution. It may include documents such as a constitution, amendments to a constitution, statutes, regulations, or other legal instruments that are considered to be fundamental or foundational to the governance of a country or organization.
Example: The constitution serves as the foundational constitutional instrument that outlines the rights and responsibilities of citizens within a country.