A "trio" refers to a group of three individuals or items that are often connected in some way. This term is commonly used in various contexts, such as music, where a musical trio consists of three musicians performing together. Trios can also be found in literature, art, and even sports, where three players may collaborate to achieve a common goal. In mathematics, a trio can refer to a set of three numbers or elements that share a specific relationship. For example, in geometry, a triangular trio might consist of three points that form a triangle. The concept of trios is versatile and can be applied across different fields and disciplines.