What type of figurative language is used in the line "one single streak of gold from yonder clouds,” and what is its effect?

It is a metaphor that compares sunlight to gold.

Tagore tries to converse with all of his readers
through this poem. Tagore’s poem talks about time and old age. The voice of the
poem is an old man whose audience is of a younger group. The use of apostrophe
brings us closer to the old man. Instead of being just an audience, we become
part of the poem or its receiver. We are told in everything we see today has
its own history and beauty. The entire poem becomes timeless, as the receiver
can be anyone at any age.

Ithink it is 2 direct object