Issues of public opinion are only concerned with public affairs. Public affairs can be explained as the issues or problems which are a concern of a whole nation/society.
Public affairs mat refer as;
Public affairs (broadcast), radio or television programs that focus on matters of politics and public policy
Public Affairs (Military), US Department of Defense offices that deal with the media
Public affairs (political party), former Czech political party
Quarterly public affairs, American philosophy magazine
Public Affairs, an American publishing company