Activity models are tools used to document workflows and control logic within processes. These models can take various forms, including:
Flowcharts: Visual representations showing process steps.
Data Flow Diagrams (DFDs): Models that emphasize the flow of data between processes.
Business Process Maps: High-level overviews of business activities and sequences.
IDEF0 Functional Modeling: A detailed technique focused on the function of each step.
The choice of modeling tool depends on the complexity of the process and the goal of the analysis. For example, BPMN is preferred for business analysts because it provides clarity and detailed control logic while being accessible to non-technical users.
BPMN is particularly highlighted for its ease of use and clear communication between business stakeholders. It supports both internal and external participants through the use of pools and lanes to differentiate roles and responsibilities. Key elements include:
Events (start, intermediate, end).
Activities (tasks or sub-processes).
Gateways (decision points in the workflow).
Models help businesses analyze, communicate, and improve processes by visualizing workflows and identifying bottlenecks. They are also critical for internal control documentation and training employees on new systems or processes .
This section emphasizes the importance of selecting the right modeling approach to match the business needs and provides insight into how different models serve specific purposes, with a strong focus on using BPMN for accounting and business analysis tasks.