What are merits of DDC?

There are several advantages to using the Dewey Decimal Classification (DDC) system:

1. Widely used: The DDC system is one of the most widely used library classification systems in the world, and it is used by many different types of libraries to organize and classify books and other materials according to subject matter. This makes it relatively easy for users to find and access materials within the classification system, as they can be confident that the system is widely used and understood.
2. Detailed and comprehensive: The DDC system is a detailed and comprehensive classification system that covers a wide range of subjects and topics. It is regularly updated and revised to reflect changes in knowledge and subject matter, and it provides a high level of detail and specificity within each class, category, and subcategory.
3. Easy to use: The DDC system is relatively easy to use, especially for users who are familiar with the system. The decimal notation is straightforward and easy to understand, and the system of captions and notation schedules provides additional information about the meaning and content of each class, category, and subcategory.
4. Flexible and adaptable: The DDC system is designed to be flexible and adaptable, and it can be used to classify a wide range of materials. It is regularly updated and revised to reflect changes in knowledge and subject matter, and it can be easily customized to meet the specific needs and goals of individual libraries.

Overall, the DDC system is a widely used, detailed, and comprehensive classification system that is relatively easy to use and flexible. It is an essential tool for organizing and accessing information in libraries around the world.