What is the definition of meter in music and how does it impact the overall structure of a musical piece?

In music, meter refers to the organization of beats into regular patterns. It is indicated by the time signature at the beginning of a piece of music. Meter impacts the overall structure of a musical piece by providing a rhythmic framework that helps establish the tempo and feel of the music. It also influences the phrasing and grouping of notes, creating a sense of stability and coherence in the composition.