What does "poco" mean in musical terms?

In musical terminology, "poco" is an Italian word that translates to "a little." It is commonly used as a directive to indicate a slight or moderate degree of something, such as tempo, dynamics (volume), or style. For instance, when you see "poco a poco," it means "little by little," suggesting a gradual change. This term is often applied within musical scores to help performers understand the expression or intensity intended by the composer. Understanding terms like "poco" is essential for interpreting and conveying the nuances of a piece effectively.