Identify the three main parts of a speech including the functions of each part.

Identify the three main parts of a speech including the functions of each part. Describe the differences between the transactional communication model and the linear model of communication.Describe at least two personal and/or professional benefits that can result from the experience of public speaking. https://www.youtube.com/watch?v=Hc3CzrBuF8g&feature=youtu.be