In his famous speech, Dr. Martin Luther King, Jr., repeated the phrase, "I have a dream." Using the same word or phrase repeatedly throughout the speech to emphasize the essential point that the speaker seeks to convey is known as:

Repetition                            

Explanation:

Repetition: In speech, the term "repetition" is described as one of the literary devices that are being responsible for repeating similar phrases or words several times to develop a clear idea and more memorable. Hence, "repetition is not characterized merely as a "figure of speech" rather as a "rhetorical device".

It is often being utilized in songs or poetry, creates rhythm, and therefore brings attention to a specific idea. It directs emphasis on the audience to better remember the information being provided by the speaker.

In the question above, the given statement signifies the "repetition".

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