A few useful definitions for web designers and web developers:
Information system (IS) is a set of elements (persons, freelance web design , data records and activities) that process the data and information. IS can store data, and manipulate raw date into useful information. There are four components of an Information System: Input (activity of capturing raw data), processing (converting data into useful outputs), output (useful information, such as documents and reports) and feedback (information from the system that is used to make changes to input or processing activities).

Advantages of using database management.
Database management is designed for the purpose of managing databases based on a variety of data models. It is a complex set of software programs and activities that controls the organization, management, storage and retrieval of data in a database. Main benefits of database management are: improved strategic use of corporate data, reduce data redundancy, improved data integrity, easier modification and updating, data and program independence, better access to data and information, standardization of data access, a framework for program development, better overall protection of the data, shared data (freelance graphic designer) and information resources among many users.