Answer:
all of them.
Step-by-step explanation:
your body language is your subconscious giving credibility to your belief in what you are saying.
Your tone of voice can help the listener to pay close attention to a certain passage or anecdote. it can infer importance, sadness, or urgency.
your pattern of speech will often tell folks about your education. All too often a speaker will make the mistake of thinking the bigger the words the smarter they sound. when in reality you need to keep your point clear, concise and as simple as possible. So choose your words, your speech patterns and the speech itself to match your audience.
neutral language can sometimes be construed as a invitation for your audiences input and interactions