This report provides an overview of business process modelling, including the current approaches, tools, benefits, challenges, security issues and process governance for quality control. It discusses various techniques such as flowchart, control flow diagram, Gantt chart, functional flow back diagram, program evaluation and review technique diagram, and integration definition. The report also highlights the benefits of business process modelling, such as enforcing best practices, improving efficiency, and gaining competitive advantage. It also discusses the challenges of business process modelling, such as absence of strategic connections, absence of qualified modelers, and absence of governance. Additionally, the report covers security issues in business process models and process governance issues for quality control.