1. It can declare and define the boundaries of the political community.
  2. It can declare and define the nature and authority of the political community.
  3. It can express the identity and values of a national community.
  4. It can declare and define the rights and duties of citizens.
  5. It can establish and regulate the political institutions of the community.
  6. It can divide or share power between different layers of government or sub-state communities.
  7. It can declare the official religious identity of the state and demarcate relationships between sacred and secular authorities.
  8. It can commit states to particular social, economic, or developmental goals.