In the Tropics of New York by Claude McKay, the fruits in
the first stanza were described carefully in order to show a vivid and almost
real sensory experience of the picture the poet had in mind. It also gives an
impression of the longing of the speaker of such tropical fruits as he was
riding in the cargo ship as depicted in the poem – as judged with the
meticulous choice of words.
Iambic Pentameter. It's written in Iambs (sets of one strong followed by one weak syllable), and there are five of these per line (hence pentameter). It's most commonly associated with Shakespeare.