XZ is a term that can refer to various concepts depending on the context. In mathematics, it may represent a coordinate point in a three-dimensional space, where X and Z are axes in a Cartesian coordinate system. This notation helps in visualizing and solving problems related to geometry and spatial relationships. In technology, XZ is often associated with a file compression format known as XZ compression. It is designed to provide high compression ratios and is commonly used in software distribution and data storage. The format is efficient and supports various operating systems, making it a popular choice for developers and users alike.