Definition:
A constitution is set of fundamental principles according to which a country can be governed.
A federal constitution is a legal document that outlines the fundamental principles, structure, and functions of a federal government.
Federal government is a type of national government in which government have powers to delegates the power to other elected member of the states.
Definition:
It establishes the framework for the division of powers and responsibilities between a central or federal government and its constituent states or provinces.
Federal constitutions are typically adopted by countries that have a federal system of government, where political authority is shared between a national government and subnational entities.
Key features of a federal constitution:
Division of Powers
Rigid Constitution.
Independent Judiciary
Dual Citizenship
Bicameralisation
Supreme & Written Constitution