Writing sales letter requires professional approach. If 10 Laws for writing sales letter followed, then sales letter will be professional and that delivers sales.
5 marketing management concepts under what organizations plan and execute their marketing strategies.
Definition of marketing:Marketing is the part of management process which responsible for identifying, anticipating and satisfying customer requirements profitably
For understanding the customer, marketplace and their behavior; five core concepts customer and marketplace that needed to be mastered.
Sales letter is written to improve the numbers of sales and only an effectively written sales letter can deliver sales.