1. The journey taken by Dante is symbolic in the fact that it is a spiritual quest for salvation.
2. A canto is a chapter.
3. The Divine Comedy contains 100 cantos because 100 is the square of ten which in reference to the Middle Ages was the perfect number.
4. Tercets are three-line stanzas in the rhyme scheme called terza rima. In terza rima the middle line of the first tercet rhymed with the first and last of the second.
5. The number three is important in the Divine Comedy because of its connection with Holy Trinity; Father, Son, and the Holy Spirit being one in God. it also relates to the book being split into three equal parts, the Inferno, Purgatorio, and Paridiso all containing thirty-three cantos and taking place