I believe it refers to the rhyming scheme of the poem. The last word in the first line (A) would rhyme with the last word in the third line. Likewise the last word in the second line (B) would rhyme with the last word in the fourth line. The scheme repeats itself through the stanza.
A four-line rhyme scheme is called a quatrain. It is a common form in poetry where the lines can follow various rhyme patterns, such as AABB, ABAB, or ABCB.
Two- the Y and the E. Y can be a consonant or a vowel, depending on its sound.
He probaly do any kind of poetry
Any kind of topic in poetry.
ABAB
poets write poetry.
stupid poetry
British poetry
type of poetic rhyme scheme for example the last words of every line in ababab could be tap(a) here(B) lap(a) near(B) rap(a) beer(B)
abab refers to rhyme scheme.
AA BB
Some examples of poetry that start with the letter P include pastoral poetry, prose poetry, and performance poetry.