The free-verse structure is in line with the poem's message about the suffering of a human being that was deprived of freedom. It is as if the poet desperately (and in vain) tries to break all the cruel constraints that his father had suffered in the concentration camp. The verse is free, but the structure is still stanzaic - it is impossible to recover from the trauma, however hard one might try.
The free verse also brings a conversational tone to the poem, breaking it free of all artificial techniques, and giving the content primacy over the form (up to a point). The message is just too important.
Answer:
There seems to be a bright light at the end of a dark tunnel. In this poem, the common people who wish to be Richard Cory work and wait for the light. The common people know only one thing--work. The light represents hope that one day their hard work will end and a new life will begin.
Explanation:
