Which characteristic of an effective public speaker involves the use of relevant examples, storytelling, and metaphors?

The correct answer highlights the importance of developing ideas effectively in public speaking. An effective public speaker engages their audience by weaving in relevant examples, storytelling, and metaphors. These elements serve to clarify complex concepts, making them relatable and memorable for the audience. By using storytelling, a speaker can illustrate their points in a way that resonates on an emotional level, while examples and metaphors simplify and enhance understanding.

In contrast, good vocal delivery relates to how the speaker uses their voice, including tone, volume, and pace, which can enhance the message but does not specifically address the content or ideas presented. Dynamic body language refers to the physical movements, gestures, and expressions that can captivate an audience, yet it primarily affects the presentation style rather than the substance of what is being conveyed. Confidence in speaking is crucial for establishing credibility and engaging the audience but does not directly pertain to how well ideas are developed through content. Hence, the development of ideas is the key characteristic that encompasses the use of examples, storytelling, and metaphors for effective communication.