What are some of the names of the eight-line section and the six-line section that combine to form the 14 lines of a petrarchan sonnet?

Nonmetrical, nonrhyming lines that closely follow the natural rhythms of speech. Lyric Originally a composition meant for musical accompaniment. The term refers to a short poem in which the poet, the poet's persona, or another speaker expresses personal feelings. Octave An eight-line stanza or poem. Ode A formal, often ceremonious lyric poem that addresses and often celebrates a person, place, thing, or idea. Pastoral Verse in the tradition of Theocritus (3 BCE), who wrote idealized accounts of shepherds and their loves living simple, virtuous lives in Arcadia, a mountainous region of Greece. Poets writing in English drew on the tradition by retreating from the trappings of modernity to the imagined virtues and romance of rural life Quatrain A four-line stanza, rhyming ABAC, ABCB, AABB, ABAB, ABBA, AABA unbounded or ballad quatrain ABAC or ABCB double couplet AABB interlaced, alternate, or heroic