The vertical line at the end of a measure is called a bar line.
The vertical line at the end of a measure is called a bar line.
The vertical line at the end of a measure is called a bar line. To arrive at this answer, you can first look at the options provided. Then, you can eliminate options that are not related to music notation or do not match the description given. In this case, "meter line" does not fit the description, as it refers to the marking denoting the meter or time signature of a piece. "Dynamic line" also does not fit, as it refers to markings indicating the loudness or softness of a musical phrase. "Score line" is not a commonly used term in music notation. This leaves us with the correct answer, "bar line," which signifies the division between measures in music notation.
