"No Return Address" is a term often used in mailing to indicate that a sender has chosen not to provide their address on an envelope or package. This can be done for privacy reasons or to ensure that the recipient cannot easily return the item. It is commonly seen in personal letters, anonymous gifts, or sensitive communications. In literature and media, "No Return Address" can also refer to themes of anonymity and the desire to disconnect from one's past. This concept is explored in various works, highlighting the emotional weight of leaving behind a known identity or the implications of untraceable communication.