Architecting and designing : IDEF : IDEF0 : Working with ICOM arrows : Unbundling ICOM arrows in IDEF0
  
Unbundling ICOM arrows in IDEF0
You can separate composite, or bundled, ICOM arrows.
1 Select the arrow to unbundle.
2 Drag the appropriate end away from the arrow it was bundled to.
See also
Working with ICOM arrows