A concrete noun is used through your five senses. They can be:
-Common nouns
-Proper nouns
-countable and uncountable nouns
-collective nouns
I hope this helps.
By quoting your evidence and looking back at your notes or text also by using your supporting details... <span />
The simile of Lines 18 through 23 compares the storm clouds that whip across the sky from the horizon to the zenith to: locks of hair of a frenzied woman. (Ode to the West Wind).