Data Sync refers to the process of ensuring that data is consistent and up-to-date across multiple devices or systems. This is important for applications that require real-time information, such as cloud storage services or collaboration tools. By synchronizing data, users can access the same information from different locations without discrepancies. The synchronization process can occur automatically or manually, depending on the system's design. Automatic data sync typically happens in the background, allowing users to work seamlessly without worrying about data mismatches. This technology is widely used in various fields, including mobile applications and enterprise software, to enhance productivity and data integrity.