Teresa, a young woman, sees words in colors and sees shapes whenever she hears a sound. in the context of sensory receptors and the brain, teresa's experiences best illustrate the phenomenon of

Synaesthesia is an inquisitive condition where there is a mixing of the faculties because of cross-wiring in the mind. Hearing a melodic note for instance may make a man with synesthesia see a specific shape like for this situation Teresa encounters or when someone touches a flower he/she might smell food or something.

there is an explationation of this on a site called crash   course world history 1

answer; ///i believe that it means; ///you pay no customs duty on the chocolates;