Publicspeaking is speaking to a group of people in a structured, deliberate manner.
Publicspeaking is almost as ancient as speech itself.
Effective publicspeaking can be developed by joining a club such as Rostrum, Toastmasters International, or International Training in Communication in which members are assigned exercises to improve their speaking skills.
In the U.S. the American Parliamentary Debate Association is the oldest national parliamentary debating organization, based on the east coast and including all of the Ivy League, although the more recently founded National Parliamentary Debate Association (NPDA) is now the largest collegiate sponsor.
First speaker of the Opposition (speaks for 8 minutes, may accept the definitions or contest them and give an alternative, rebuts Proposition arguments, presents the case of the Opposition, gives 2/3 of the arguments of the Opposition).
Third speaker of the Proposition (speaks for 8 minutes, rebuilds the case of the Proposition, rebuts the arguments of the second speaker of the Opposition, concludes case)