What term represents the volume of sound in music?

The term representing the volume of sound in music is dynamics. Dynamics refer to the varying levels of loudness or softness in a piece of music, indicating how intense or soft certain passages should be played. Through dynamics, composers can convey emotions and enhance the impact of the music by contrasting loud and soft sections.

Other terms in the list relate to different musical concepts: melody refers to a sequence of notes creating a musical line, timbre describes the quality or color of the sound that distinguishes different instruments or voices, and meter pertains to the rhythmic structure or beat of the music. Understanding dynamics is essential for interpreting and performing music effectively, as it influences the expressive qualities of the performance.