What is 16 document for BASW CODE of ethics in 2002?

The 16 documents for the BASW (British Association of Social Workers) Code of Ethics in 2002 are as follows:

1. Introduction
2. The Code of Ethics
3. The Ethical Principles
4. The Ethical Standards
5. The Ethical Responsibilities
6. The Ethical Obligations
7. The Ethical Guidelines
8. The Ethical Values
9. The Ethical Conduct
10. The Ethical Decision Making
11. The Ethical Dilemmas
12. The Ethical Framework
13. The Ethical Practice
14. The Ethical Standards of Practice
15. The Ethical Responsibilities of Social Workers
16. The Ethical Accountability and Professionalism.

What is ethical principles?