"A private message, personal message, or direct message (abbreviated as PM or DM) is a private communication channel between users on any given platform. "
They are all private in terms of intended recipients. They're not cryptographically protected.
From Wikipedia:
"A private message, personal message, or direct message (abbreviated as PM or DM) is a private communication channel between users on any given platform. "
They are all private in terms of intended recipients. They're not cryptographically protected.