Measure signature is a term used in music theory and composition to define a musical piece's time signature. This time signature refers to the number of beats or pulses per measure. Some common synonyms for measure signature in music include time signature, meter signature, and rhythmic signature. These synonyms describe how music is structured and helps musicians read and interpret sheet music more accurately. In musical notation, the measure signature is typically represented by a fraction, such as 4/4, 3/4, or 6/8, that indicates how many beats there are in a measure. Understanding the measure signature is essential to forming a solid foundation in music theory and composition.