What does Mark demonstrate when he shreds all of his old clients' records?

When Mark shreds all of his old clients' records, he is demonstrating a commitment to following proper record disposal practices. This action reflects an understanding of the importance of confidentiality and data security in professional practice. Proper disposal of records, particularly those containing sensitive client information, is crucial to maintaining trust and fulfilling ethical obligations.

By shredding the records, Mark ensures that confidential information is not accessible to unauthorized individuals, thus protecting his clients' privacy. This aligns with best practices and ethical guidelines that govern the management of client data in a variety of professional settings. It also indicates awareness of legal requirements regarding the secure disposal of client files, showing diligence in upholding standards expected in the field.