A Database Management System (DBMS) is a software system designed to facilitate the creation, maintenance, and use of databases. It ensures data is organized, managed, and retrieved efficiently by providing tools for data definition, data manipulation, data security, and data integrity. DBMS supports multiple users and applications, enabling data sharing while maintaining data consistency and integrity. It also includes features for backup and recovery, ensuring data is protected against loss or corruption. Overall, DBMS plays a critical role in handling large volumes of data and is foundational to modern data-driven applications and decision-making processes.