Process automation refers to RPA or BPA. Robotic process automation (RPA) is where a software is written to imitate or carry out repetitive steps that a user takes (for ex, deleting a set of emails one by one from newsletter subscription list based on a certain criteria). Business process automation are customised for organisational needs and often involves integration with APIs and in-house software and data systems to automate business processes ( integrating a job posting CMS with multiple applicant tracking systems to process submitted resume & CVs by candidates.)