I refer of course to the way in which the report was drafted.

I refer, of course, to the £90 million this game is worth to the winner.

The soundtrack has been referred as ahead of it time.

I am referring of course to our military engagement in Afghanistan.

I refer, of course, to those enormously important individuals: the people who don't know.

Carter was referring to his two most memorable points of the night.

She knew what he was referring to, of course.

I am referring, of course, to the sovereign debt issue.

I refer, of course, to the phone call you made to Susan and left on her answering machine.

It refers to knowledge of a fact, usually of a specific risk.