These letters point out wherever the rhymes occur at the conclusion of the traces. In ABAB, the primary and 3rd traces rhyme at the tip, as do the second and fourth strains. In ABCB, just the 2nd and fourth strains rhyme at the tip. Or, a writer might opt to https://dominickdoxgo.bloguerosa.com/26848430/the-greatest-guide-to-types-of-rhymes-in-poems