Classical Chinese poetry forms developing a complete poetic concept; this is, indeed, especially the case with the five-character line version. Also known as the Five-character-quatrain, this form of regulated verse is characterized by four lines of five characters each. Also known as the Seven-character-quatrain, this is a form of regulated verse with four lines of seven characters each. While embracing all, or most of, the "lushi" rules and regulations the "pailu" allows for a number of linked couplets with no maximum upward limit. A strict emphasis on formal parallelism is typical of the "pailu" form. Poems based on traditional structures, originally meant as lyrics
Viriato Trágico (poem) The poem, like many other epic works of 17th-century Portuguese literature, is written in ottava rima ("oitava rima" in Portuguese). This eight-line stanza of Italian origin is composed of hendecasyllabic lines rhymed "abababcc". The form was introduced into epic poetry by Giovanni Boccaccio in the 14th century. Soon it became very popular in Italy. In the beginning of the 16th century Francisco de Sá de Miranda, returning home from a stay in Italy, imported it into Portuguese poetry. This stanza was chosen by Luís de Camões for his "Lusiads". Many other poets used this form in the 17th century, including