Answer:
A great debate always depends on good questions. In a panel discussion the audience takes part in the discussion to speak up their concerns over a public issue. A public forum more over, is a situation in which people gather together to talk over a public concern. This usually happens in places or areas open for public use.
On the other hand, public apology is formal way of explaining a matter in behalf of the audience. The thought leaders and experts of certain field discuss about an issue in front of the audience. It mostly happens in convention conference rooms, academic halls, and even virtual.