The term 'Group of Talking Heads' can be summarized as a PANEL, which is a five-letter word. A PANEL is a group of people who are invited to discuss a particular topic or issue in a public forum. This type of discussion is often seen on television talk shows, where a group of experts or celebrities are brought together to discuss a certain topic. The panelists are usually chosen for their expertise in the subject matter and their ability to provide insight and opinion on the topic.