What is BPM

BPM is abbreviated for Business Process Management,

BPM is a management discipline that provides governance for a process- oriented organization with the goal of agility and operational performance. Process strategy operates at a meta level; it is the statement of the goals you are intending to achieve and the process of achieving those goals. 

or

Business Process Management can be defined as a systematic approach for making an organiza- tion’s business processes much more effective, efficient and adaptable to a continuously changing business environment by reducing processing time, human error and miscommunication

BPM is not a project, it is iterative , agile and changing with improvements.

Don't treat as an IT project rather work with Business Teams for continuous optimization & integration and expect changes. 

Detailed definition on Wiki Click here