In William Blake’s poem "London", the speaker conveys London as corrupt and corrupting . The speaker presents his image of London through his many "wander[ings]" through its streets. He notes the despair of "every" Londoner and their oppression by the "church" and the state. In everyone the speaker passes he sees signs of misery and moral weakness. In fact, the speaker is one of the oppressed and exploited Londoners and he conveys his moral indignation through diction and metaphor.
That power of diction is achieved in good part through repetition. Notice how 'charter'd' appears twice, 'mark' three times a