Requirement analysis helps organizations to determine the actual needs of stakeholders. At the same time, it enables the development team to communicate with stakeholders in a language they understand (like charts, models, flow-charts,) instead of pages of text, some examples are listed below.

• Business process modeling notation (BPMN)
• UML (Unified Modeling Language)
• Flowchart technique.
• Data flow diagram.
• Role Activity Diagrams (RAD)
• Gantt Charts.
• IDEF (Integrated Definition for Function Modeling)
• Gap Analysis.