/ˈprɪvəsi ʌv ˈkɒrɪˈspɒndəns/ – Phrase
Definition: bí mật thư tín.
A more thorough explanation: Privacy of correspondence refers to the legal right of individuals to have their personal communications, such as letters, emails, and other forms of correspondence, protected from unauthorized access or disclosure by others. This right is often enshrined in laws and regulations that govern the confidentiality and privacy of communications, and may include provisions for the interception, monitoring, and disclosure of such communications under specific circumstances and with appropriate legal authorization.
Example: The right to privacy of correspondence is protected under the Fourth Amendment of the United States Constitution.