Poetry / Poetry Analysis on " To an Athlete Dying Young" [5]

What are the poetic elements of "To an Athlete Dying Young" and "On the Death of Mr.R

For my English assignment, I need to identify poetic elements in "To an Athlete Dying Young" and "On the Death of Me. Robert Levet, A Practiser in Physics". Some of those elements are assonance, consonance, repetition, external and internal rhyme, imagery, alliteration, similes, metaphors, personification, ect...