Whenever you are talking to a bunch of people it is technically public speaking. But when we think of public speaking what comes to our mind is a person speaking in front of a large audience.
Most people feel hesitant to speak in front of a large audience because of fear. I agree that is human nature but to overcome it is the major cause of concern, right!!!
So, if you want to learn how to overcome the fear of public speaking, you can check out this article