There are 9 elements and clauses which should be included in an NDA, including:
1. Definition of the confidential information
2. The parties involved
3. The terms and duration of the agreement
4. Information Disclosure Clause
5. Legal Obligation to Disclose Clause
6. Return of Information Clause
7. Jurisdiction Clause
8. Remedies Clause
9. No-binding, No Obligations or Termination Clause