Ubiquitous Language is a concept in software development that emphasizes the use of a common vocabulary among all stakeholders, including developers, business analysts, and clients. This shared language helps ensure that everyone has a clear understanding of the project requirements and goals, reducing miscommunication and enhancing collaboration. By using Ubiquitous Language, teams can create a more cohesive environment where technical and non-technical members can engage effectively. This practice is often associated with Domain-Driven Design, where the focus is on modeling the software based on the specific domain it serves, ensuring that the language reflects the real-world concepts relevant to that domain.