Alla breve, also known as cut time, is a time signature in music where there are only two beats per measure, and the half note serves as the beat. There are several synonyms for alla breve, including "cut time," "diminished time," "2/2 time," "double meter," and "alla semibreve." In music notation, the symbol "C" or "cut" is used to indicate alla breve time. This time signature is commonly used in marches, polkas, and other fast-paced musical pieces. Knowing the synonyms for alla breve can help musicians easily understand the type of time signature used in a musical piece, leading to better performance and interpretation.