Explain the strategic difference between business improvements and business process reengineering?

Explain the strategic difference between business improvements and business process reengineering?
BPM is a set of tools and services that support human and application interaction with business processes. BPM suites automate manual processes by routing tasks through departments and applications. These routings are rule and action-based, and are defined in a set of formulas. Actions can be automatically triggered, without an underlying rule requiring additional information; therefore, the process can be continuous and manual processes can be avoided. Organizations use BPM systems to improve the effectiveness of their core operations. BPM specifically coordinates interactions between systems, business processes, and human interaction. It automates the routing of activities and tasks to employees, taking away non-value adding activities, such as routine decisions, data, and form transfer etc., and instead, provides users with tailored lists of task. With todays tight integration of process definitions and underlying applications, changes in the definition can be deployed and communicated virtually immediately. Additionally, BPM can also add value to a company requiring procedures to be created and published because it offers compliance management. Companies can use it to meet the US Sarbanes Oxley Act (SOX) and International Standards Organization (ISO) requirements. It can opening up a range of functions such as process (quantitative) analysis, and optimization. Thus, by implementing BPM, companies are able to orchestrate and leverage cross-functional business processes that are used over multiple systems, divisions, people, and partners