What is metrical structure.?

Metrical structure is the pattern of stressed and unstressed syllables in poetry or verse. It is what gives poetry its distinctive rhythm and often sets it apart from other forms of writing. The most common example of metrical structure is iambic pentameter, which consists of ten syllables per line, with alternating unstressed and stressed syllables. Other examples include trochaic meter, which reverses the pattern to start with a stressed syllable, and anapestic meter, which has two unstressed syllables followed by a stressed syllable. The variations in meter and the use of accent, pause, and rhyme are all important elements of the metrical structure of poetry.