There are several synonyms for the term "metrical structure" which can be used in poetry or music to refer to the arrangement of beats, rhythms, and patterns. The first alternative term is "metric pattern" which is also used to describe the rhythmic structure of a poem or piece of music. Another alternative term is "metrical composition" which refers to the way in which a poem or song is put together using particular rhythmic patterns. Other synonyms for metrical structure include "rhythmic arrangement," "beat structure," and "temporal organization." These terms can all be used interchangeably to describe the underlying structure of a musical or poetic work.