Final answer:
A scale in music is a set of pitches arranged in a specific order. One section of a scale consists of four pitches, which form a pattern of intervals that determine the musical quality of the scale.
Step-by-step explanation:
In music, a scale is a set of pitches arranged in ascending or descending order. One section of a scale consists of four pitches, also known as tones or notes.
These four pitches form a specific pattern of intervals, which determine the musical quality of the scale. For example, in the major scale, the pattern of intervals for one section is whole step, whole step, half step.