To build graphic representation that allows an observer to ‘walk-through’ the whole process and see it in its entirety. It consists of structural analysis of a process flow (such as an order-to-delivery cycle), by distinguishing how work is actually done from how it should be done, and what functions a system should perform from how the system is built to perform those functions.
The main purpose behind business process mapping is to assist organizations in becoming more efficient. A clear and detailed business process map or diagram allows outside firms to come in and look at whether or not improvements can be made to the current process.
Business process mapping takes a specific objective and helps to measure and compare that objective alongside the entire organization’s objectives to make sure that all processes are aligned with the company’s values and capabilities.