What are the key components of an effective impromptu speech?

The key components of an effective impromptu speech include an introduction, main points, supporting details, and conclusion. An effective introduction serves to grab the audience's attention and introduce the topic, providing a framework for what is to follow. The main points present the core ideas and arguments that the speaker wishes to convey, ensuring that the audience can easily follow the message. Supporting details, such as anecdotes, facts, or examples, reinforce the main points, making the argument more compelling and relatable. Finally, a conclusion summarizes the main points and ties everything together, leaving the audience with a lasting impression and clear understanding of the speaker's message. This structure is crucial for clarity and coherence in any speech, especially in an impromptu context where thoughts need to be organized quickly.