What Is An Informative Speech? It is a very special type of speech where information is given to the audience by using verbal descriptions as well as accompanying demonstrations or visuals. Many organizations and companies use this speech to describe their corporate plans and decisions.   What are the 4 Types of Informative Speeches? Explain Objects: These types of informative speech can include how various objects are designed and the way they function. For example, a student gave a speech on the corset and design using a mannequin to demonstrate the way corsets were placed on ...