Business is the activity of making one's living or making money by producing or buying and selling goods or services. Simply put, it is "any activity or enterprise entered into for profit. It does not mean it is a company, a corporation, partnership, or have any such formal organization, but it can range from a street peddler to General Motors." The term is also often used colloquially (but not by lawyers or public officials) to refer to a company, but this article will not deal with that sense of the word.
Business administration is management of a business. It includes all aspects of overseeing and supervising business operations and related field which include Accounting, Finance and Marketing.
The majority of students studying for the master's degree in business are enrolled in makeshift programs which are generally unsatisfactory... Business administration gets a much larger portion of poor students and a smaller percentage of the best students than do the traditional professional fields.
Robert A. Gordon and James E. Howell. Higher education for business. 1959
The term "informatics" was first defined by Saul Gorn of University of Pennsylvania in 1983 (Gorn, 1983) as computer science plus information science used in conjunction with the name of a discipline such as business administration or biology. It denotes an application of computer science and information science to the management and processing of data, information and knowledge in the named discipline.
Paul Griffiths (2006) Proceedings of the 3rd International Conference on Intellectual Capital and Knowledge Management. p.129