Monotone means having no expression in your voice, no anger, no happiness, no interest. This word would affect the tone by giving the reader the feeling that he just doesn't care about what is going on/ what he's talking about. I hope this helped!
A figure of speech in which something is concrete is called a symbol
If we are referring to academic vocabulary, we mean to say the words or group of words that are used in the academic dialogue. These words are not common and are not frequently encountered in daily conversations. We can change the word awful to dreadful.
