Each meter used has a set length or is composed of a set group of sound units, each unit being of a specific length.
(Each meter; used; ) (Each meter used; has; a set length) (Each meter used; is composed; of a set group of sound units) (each unit; being; of a specific length)
Each meter Each meter used Each meter used each unit
used has is composed being
a set length
of a set group of sound units
of a specific length