This swimlane diagram sample was designed on the base of Wikimedia Commons file: Approvals.jpg.
"Swimlanes flowchart of a business process."
[commons.wikimedia.org/wiki/File:Approvals.jpg]
The cross-functional flowchart example "Swimlane diagram - Approvals" was designed using ConceptDraw PRO software extended with Сlassic Business Process Modeling solution from Business Processes area of ConceptDraw Solution Park.