What is the overall effect of using a chronological text structure?

readers can follow the progress of events surrounding an important moment.
readers can analyze one result of an important action.
readers can learn about a specific problem and how it is solved.
readers can compare and contrast two important events.

Which line in this excerpt from "the love song of j. alfred prufrock" by t.s. eliot uses synecdoche? shall i say, i have gone at dusk through narrow streets and watched the smoke that rises from the pipes of lonely men in shirt-sleeves, leaning out of windows? i should have been a pair of ragged claws scuttling across the floors of silent seas.