What is BPM and What is Workflow?

What is BPM and what is workflow? There’s confusion about the differences between business process management and workflow since they are used interchangeably by many organizations. Early business process management (BPM) software solutions did focus on the coordination of processes— in other words they were focused on workflow. But today, workflow is merely component of a good business process management solution, with BPM being the tool box and workflow an option therein.