It seems that the boy uses everyday language in order to describe what he sees and smells. By resorting to this, the reader gets the perspective of a young boy from a poor social class because the imaginary used is based on elements that he might see on daily bases, smells like the cat or somthing roaten are really common in the streets.
The way they say things or speak to other people help show who they really are in the inside .They May look like they have a heart of gold but they really don’t.