👉 In the context of software engineering, a Drools (pronounced "drool") is a modeling language used to model and manage business processes. The syntax and semantics of Drools are designed to be self-contained and flexible, making it easier to build complex systems that can handle both declarative and imperative programming. The concept of Drools comes from the field of software engineering called "business process reengineering" (BPR). BPR is a methodology for improving business processes by automating repetitive tasks