The UK, Canada, and New Zealand have "unwritten constitutions" which are not codified in a single document but rather written down in a variety of official documents
Tells who is to carry out the major functions of politics, how the people holding those positions are to be chosen, who is to be in charge during an emergency, and by what procedures the constitution itself may be changed
Contains certain rules which define the organs of the government & how they originate, their mutual relationships, & the relationships between the government & the people
Planned system, formulated & adopted by a deliberate creation, designed after considering the state's political & historical background and its population composition
Provisions are clear in meaning, must be written, should be comprehensive - brief but covers all areas of government, incorporates people's fundamental rights, limits power of government, should be amendable legally, corresponds to the actual conditions of the state
A state in which no other governmental body but the central government has any areas of policy that are exclusively under its control, local and regional political bodies may potentially be overruled by the central government
A federation where two governments control the same group of people but with regard to different political questions, often the result of a compromise by which reluctant members were induced to join in a state