Opaque: Not able to be seen through-not transparent
Synonyms: blurred, misty, hazy
Answer: I'm confused ? what's the question ..?
.. " What appeals did MLK used in "I have a dream" .. same for " Letter from a Birmingham Jail "
because the audience would be familiar with them as parables were highly popular then. Also, it being a monk, it is supposed to be a serious story that teaches you something, not a funny or obscene story such as those from the Wife of Bath or the Miller.
ABD.
Time, place, and context.
