The analysis phase of Requirements development ensures that the Requirements discovered in the Elicitation phase have been articulated correctly and have the correct format, level of detail and properties and form a cohesive and correct set. As a result of the disparate sources and methods of elicitation the Requirements recorded in the elicitation phase will need some massaging and balancing - it is quite common for example to find repeated or overlapping requirements or to have omitted to record the concerns of one or more stakeholders. Tools such as the Relationship Matrix and the Traceability window will reveal omissions and issues with requirements. The Element Discussion window and Model Mail facility will also provide mechanisms for discussing the Requirements with other team members.