Constitutional authority refers to the power and legitimacy granted to a government or governing body by a constitution. This authority outlines the structure of government, the distribution of powers, and the rights and responsibilities of citizens. It serves as the foundation for the legal and political framework of a country, providing a set of rules and principles that guide the actions and decisions of those in power. Constitutional authority is essential for maintaining the rule of law and ensuring that government actions are in line with the principles and values enshrined in the constitution.