An idiom is a phrase used to represent something that has nothing to do with it and is not literal. For example: raining cats and dogs means it's raining hard and not literally raining animals. Seething with rage is not an idiom as seethe basically means mad or angry. Angry or mad with rage can be literal and is not an idiom.
When it comes to examining the concepts of ethos, logos and pathos, I thought it best to look at these concepts being done well. One of the finest examples of these three appeals in play is in the essay titled Letter from a Birmingham Jail by Dr. Martin Luther King Jr.
ummmm....uh...let's see...practice?
ok I'll just
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2.) In American gothic stories, nature is cold and indifferent.
3.) Human beings in American gothic stories often struggle for goodness in the face of evil.