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Public speaking has to speak about common fear, which has to do with overcoming it which speaks of personal and as much as professional opportunities, hence confidence in speaking comes to be part of making the necessary preparation, that is patterning, to practice.
Hence by preparing thoroughly you can speak of the foundation of confidence which has to do with understanding the topic well, by organizing that which has to do with the key points, and having rehearsed multiple times and as much as the change of the mindset feeds.
Also fear of public speaking often comes from self-doubt,minstead of focusing on potential mistakes, it is important to view speaking as a way to share valuable information and also remember, your audience is looking after you on what you can say which they are not after judging you harshly.
Feel relaxed, although nervousness is natural, but can be taken care of in order of managing it, deep breathing exercises, calm your nerves before speaking, and by engaging with small group discussions, virtual meetings, or casual conversations give the momentum build up to larger audience, hence the more you practice, the more confident you build around your capabilities..
Remain focused on the message, and not yourself and it is always good to accept Imperfection and learn from mistakes, and with overcoming public speaking fear takes time, but with intensive practice, and as much as positive mindset, build confidence which makes one to become an effective speaker.
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