"That's a point," Tom said, turning to Murdoch and getting back to the previous topic.

Newcomers are then introduced and the group is asked if anyone has an update of a previous topic or a new issue to share.

Stella explained, then entered the order and went back to the previous topic.

Each show has a particular topic up for discussion, with previous topics including the apocalypse and space travel.

To suddenly change subjects, with no intention of returning to the previous topic.

It was common for topics to include anything from current events to previous topics of discussion or something going on in a caller's personal life.

He would have pursued the subject further, but I was for the moment more interested in the previous topic.

The gentlemen of the Presidency were present for the previous topic.

"Not at all," she said, and returned to the previous topic.

And why did you bring up a completely unrelated post of mine from a previous topic?