yùn​lǜ

meter

韵律 (韻律) yùn​lǜ
meter noun
the technical rules and arrangement of rhymes and rhythms in poetry

Metrical poetry has very strict requirements for rhythm and rhyme.

prosody noun
the patterns of stress and intonation in speech (linguistics)

Prosodic features play a key role in oral communication.

rhythm noun
the musical flow or pattern of sounds in music or language; cadence

This piece of music has a unique sense of rhythm.

Frequency

Movie subtitles
1.13 per million appears in 1% of films
Written text
1.67 per million

Sources

Definitions
CC-CEDICT