Recently, I was listening to Slates Political Gabfest podcast, and they were talking about the difference between off the record and on background. 쇼 노트에는 이 용어에 대한 논쟁을 다룬 1년 전의 이야기가 언급되어 있었습니다. The term on background is pretty new to me, though Ive used what it means a good bit.