Alexandrine introduce phrasal accentuation, or rigorously observe the medial caesura, as in French." Common usage within the literatures of European languages is broader still, embracing lines syllabic, accentual-syllabic, and (inevitably) stationed ambivalently between the two; lines of 12, 13, or even 14 syllables; lines with obligatory, predominant, and optional caesurae. Although alexandrines occurred in French verse as early as the 12th century, they were slightly looser rhythmically, and vied with the "décasyllabe" and "octosyllabe" for cultural prominence and use in various genres. "The alexandrine came into its own in the middle of the sixteenth century with the poets of the Pléiade
Metre (poetry) linguistic tonality. The use of caesura is important in regard to the metrical analysis of Classical Chinese poetry forms. The metric system of Old English poetry was different from that of modern English, and related more to the verse forms of most of the older Germanic languages such as Old Norse. It used alliterative verse, a metrical pattern involving varied numbers of syllables but a fixed number (usually four) of strong stresses in each line. The unstressed syllables were relatively unimportant, but the caesurae (breaks between the half-lines) played a major role in Old English poetry. In place of using