Without a specific example or passage to refer to, it's difficult to answer these questions accurately. However, I can provide some general information about the use of figurative language in "Letter from Birmingham Jail" by Martin Luther King Jr.
Throughout the letter, King uses various forms of figurative language, including metaphors, similes, and analogies, to convey his message about the injustice of racial segregation and discrimination. For example, he uses the metaphor of the "interrelatedness of all communities and states" to argue that injustice anywhere is a threat to justice everywhere.
The use of figurative language in King's letter serves several purposes. It helps to make his message more memorable and impactful by using vivid and creative language. It also helps to make complex ideas more accessible and relatable by comparing them to familiar concepts or experiences.
The effect of figurative language on the overall message of "Letter from Birmingham Jail" is to make King's arguments more persuasive and compelling. By using powerful and emotional language, he is able to connect with his audience on a deeper level and inspire them to take action against injustice. Additionally, the use of figurative language helps to emphasize the urgency and importance of the civil rights movement and the need for immediate action.
Overall, the use of figurative language in "Letter from Birmingham Jail" is an important part of King's rhetorical strategy, helping to make his message more powerful and effective in inspiring change.