Swimlane chart , one kind UML Activity diagram , It can clearly show which department an action is in , Common tools are StarUML,Rose,Visio etc . The swimlane chart is a department function vertically , Horizontal is the position （ Sometimes the horizontal position is not distinguished ）. Drawing elements are similar to traditional flowcharts , But in the business process body , Through the lane （ Longitudinal bar ） Distinguish the executive subject , That is, departments and posts .
The swimlane diagram is to organize the activities in the model according to their responsibilities . This allocation can be represented by organizing activities into different areas separated by lines . Because of their appearance , These areas are called swimming lanes . It can describe various business processes conveniently , It can visually describe the logical relationship between the activities of the system , Help users understand business logic .