1. Types
1.1. Formal
1.1.1. Constitution
1.1.1.1. Binding laws
1.1.2. Example
1.1.2.1. Land ownership
1.1.2.1.1. Governing property rights
1.1.2.2. Formal political institutions
1.1.2.2.1. Establishment of rules from constitutional and electoral laws
1.2. Informal
1.2.1. Constitution
1.2.1.1. Conventions
1.2.1.2. Norms
1.2.1.3. Values
1.2.1.4. Accepted behaviour
1.2.2. Example
1.2.2.1. Communal systems of land tenure
1.2.2.1.1. Prohibition of private ownership, pruchase or sale
1.2.2.2. Informal political institutions
1.2.2.2.1. Private forms of power and influence
2. Institutional changes
2.1. Frequency
2.1.1. Slow
2.2. Type of politics involved
2.2.1. Modifications
2.2.2. Reforms
3. Definitions
3.1. Sets of durable rules and procedures
3.2. Superimpositionand structuring networks of interactions and practices
3.2.1. Social
3.2.2. Economic
3.2.3. Political
4. Characteristics
4.1. Agreed and predictable
4.2. Prohibition and encouragement of some behaviours
4.3. Changing distribution of advantages and disadvantages
5. Examples
5.1. Language
5.1.1. Rules for the use of sounds
5.2. Politics
5.2.1. Rules for steering political behaviour in different directions
5.2.1.1. Politics in federal and unitary systems
5.2.1.2. Politics in presidential and parliamentary systems
5.2.1.3. Politics in proportional representation and first-past-the-post electoral systems