The three dimensions along which regional integration can be defined can be include among others ?

1. Economic integration: This refers to the level of economic cooperation and coordination between countries in a region. This can include the removal of trade barriers, the establishment of a common market, and the adoption of a common currency.

2. Political integration: This refers to the level of political cooperation and coordination between countries in a region. This can include the establishment of common institutions, the harmonization of policies, and the pooling of sovereignty in certain areas.

3. Social integration: This refers to the level of social cooperation and coordination between countries in a region. This can include the promotion of cultural exchange, the facilitation of people-to-people contacts, and the development of common social policies.

- Depth: The extent to which member states transfer authority to the regional organization.
- Scope: The range of policy areas covered by the regional organization.
- Membership: The number and type of member states involved.