Facets, or aspects, refer to the different sides or features of a particular subject or object. They help in understanding the complexity of something by breaking it down into manageable parts. For example, when discussing a gemstone like diamond, its facets determine how light interacts with it, affecting its brilliance and sparkle. In a broader context, facets can apply to various fields, such as psychology, where they represent different traits of a person's personality. By examining these facets, one can gain a more comprehensive view of an individual, leading to better insights and understanding of their behavior and motivations.