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.
Marketing is the study and management of exchange relationships. Marketing is used to create, keep and satisfy the customer. With the customer as the focus of its activities, it can be concluded that Marketing is one of the premier components of Business Management - the other being innovation.
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
By the way, if anyone here is in advertising or marketing...kill yourself...you're the ruiner of all things good...you are Satan's spawn, filling the world with bile and garbage...kill yourself.