Haiku are one of the major poetic forms in Japan. There are authors who compare the power of a haiku with a painting. Read the haiku and write a comment discussing:
How is the form of the poem?
What is the haiku about?
Which are the literary devices used by the author?
the poem has its hidden message or whatever it wants to express to me, it is a poetic form, it has a repetition in the words, forming a complete metaphor because that is the objective of the poem, it does not have a rhyme either. Haiku is a Japanese literary form that compares a painting or image as a reference to something traditional. The author uses reference elements to create the Haiku, in this case the candle and how he wants to express it since there are many ways to do it with only three verses, he will probably interpret it with some emotion by describing it.