explain the symbolism of this speech by Oedipus and how and why it reflects the story’s major themes.

what are the choices and the passage take a picture

the underlined phrase is an example of : understatment

what is this from, i cant tell what language he uses without the piece of literature

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.