Theme: a main idea / a central message
Rhyme: words with the same / similar sound
Simile: an indirect comparison, usually using 'like' or 'as'
Metaphor: a direct comparison, sometimes using 'is'
Personification: describing a thing as if it is human
Word Choice: the vocabulary a poet uses
Structure: the way the poem looks
Symbolism: an object that represents an idea
S. Stothers