A message board is an online page where people leave notes under headings. Post on the message board.
It is named after the panel where paper notices are pinned up. A message board keeps a conversation readable for years, which a chat window does not.
1nounmessage boardAn online page where people leave notes for one another under headings, named after the panel where paper notices are pinned up.
“The message board had been running since 2001.”
message board is a page.
Also accepted in games: bulletin board