Architecting and designing : Business Process Analysis (BPA) : BPMN : Reducing workspace complexity when editing BPMN diagrams
  
Reducing workspace complexity when editing BPMN diagrams
You can reduce workspace complexity and show only the user interface or modeling elements that you need for BPMN modeling. By using editing modes, you can control the artifacts that are displayed when you use IBM Rational modeling products.
Editing modes are available in the following products: System Architect and System Architect XT.
See also
Hiding or showing items by using editing modes
Creating and assigning editing modes for diagram types
Configuring modes for symbols, properties, and list items
BPMN editing mode reference
BPMN