The phrase "discussion centered on" is correct and usable in written English.
It can be used to indicate that a discussion or conversation focused on a particular topic. For example, "The meeting was a lively discussion centered on finding a way to improve the company's financial performance."
Much of the discussion centered on the need for one or two leaders with a large stake in the store's success rather than a rule-by-committee model.
The discussion centered on both incorrect and correct responses, with students discussing the merits of one strategy relative to another.
Friedman said the discussion centered on keeping the government running without disruption when one president checked out and the other moved in.
Facebook founder Mark Zuckerberg sat down with The New York Times' Farhad Manjoo to discuss Facebook and its future, and much of the discussion centered on Creative Labs, the new internal initiative at Facebook that's playing more with products outside the core social networking site, or spun out from that experience.
Part of our discussion centered on rhetoric.
But the liveliest discussion centered on what type of concrete to use.
Much of the discussion centered on whether Amazon had a monopoly on e-book sales a couple of years ago.
Much of the discussion centered on the talks between Greece and its bondholders, and whether such negotiations would end well.
At yesterday's meeting at Serino Coyne Inc., a theater ad agency, the discussion centered on how to manage success, not generate it.
Much of our discussion centered on the Middle East and how to defuse the current situation so we can get back on the path to peace.
Discussion centered on the notion that we appear to be breeding ourselves out of existence and what to do about it.
