The term 'Inferno Part' is a reference to Dante Alighieri's epic poem, The Divine Comedy. The poem is divided into three parts, Inferno, Purgatorio, and Paradiso. Canto is the Italian word for song or chant, and is used to refer to each section of the poem. Each canto is further divided into smaller sections called cantos. Thus, the term 'Inferno Part' refers to one of the cantos within the Inferno section of Dante's poem.