BPMN Two Party Quote, a ready made diagram of 10 joined shapes
BPMN

BPMN Two Party Quote

A quote passed back and forth between a customer and a supplier, with each pool holding the steps that side performs.

TypeBPMN
Contains10 shapes and 9 connectors
ConnectorsBound to the shapes, so they reroute when you move one
LicenceFree for commercial use

More in BPMN