Data bases refer to a collection of information that is organized in a systematic manner. Synonyms for the term data bases include database management systems, data storage systems, data repositories, information management systems, data warehouses, and information systems. The term database management systems (DBMS) is often used interchangeably with data bases, describing the software that is used to manage and manipulate the data. Data storage systems are also used to refer to data bases, which store and preserve information. Data repositories and data warehouses indicate a centralized collection of data, while information management systems and information systems suggest a more comprehensive approach to managing data and information.