This question is based on General Literary Prin... - JAMB Literature 2020 Question

This question is based on General Literary Principles and Appreciation.
''From here the island of Fogo is a presence
At Sunset
The palm trees are slow singers of farewell
The sail on the sea
Writes in geometry of spume
- departure of he who remains
And the clouds carried by incessant soft breezes
-journey of he who never left!''
Which of the following figures of speech is used prominently in the poem?