the.com/confidentiality
The art of knowing something and proving it by saying nothing.
means A duty or agreement to keep shared information private and not disclose it to others.
from From Latin confidere, to trust fully — con (with) plus fidere (to trust); secrecy as trust made into obligation.
Legal teethBreaching it can void contracts and trigger lawsuits.
Older than lawDoctors swore secrecy via the Hippocratic Oath.
Not absoluteCourts can compel disclosure of supposed secrets.