A. the information provided in the text.
Parenthetical citations are used to give credit to information that was provided in the text that aren't the original person's words.
In a standard dictionary, you can find the key to pronunciation marks in an appendix.
The Desiderata is that poem: "<span>Go placidly amid the noise and haste, and remember what peace there may be in silence".
The plot is basically self-help. Get up and get on with it.
I am not sure about the setting. I can make a guess: the setting would be the human mind.
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