A great speech is characterized by its clarity and engagement. Clarity ensures that the speaker's message is understood by the audience, while engagement fosters a connection between the speaker and the listeners. According to a study by the Center for Public Speaking, speeches that are clear and engaging are more likely to be remembered and have a greater impact on the audience. Clarity is achieved through a well-structured narrative, concise language, and a clear call to action. Engagement is maintained through the use of storytelling, humor, and direct eye contact with the audience. These elements create a memorable and impactful speech that resonates with the listeners.