The answer to this question is True! Mood is a literary element that is used to influence feelings for a reader. For example, the writer can create a sad mood to give the reader a broader understanding of a character's unhappy emotions. It is used so that the reader can relate more personally to the story and its characters.
an off-record scource is just uncarted and/or hard to find. however, an anonymous scource has no specific author. someone would prefer to chose to speak to a reperter off the record probanly because they dont want to gain too much attention.