Flowcharts like this one are useful for showing the steps of a purchasing and procurement process. This one also employs the basic rules of visual grammar.
Text in this example:
For Purchases>$500 - get proper authorization
Fill out Purchase Requisition
Complete CCPR or get PO
Ensure we have Independent Contractor Agreement, Invoice, Purchase Requisition and other documentation to controller
Complete Purchase Requisition Form
Credit Card or Cash?
Documents to Controller for Approval
Invoice Purchase Requisition CCPR
Fill Out CCPR
Is a Independent Contractor
Not a Independent Contractor
Independent Contractor's Agreement filled out or on File
Invoice Purchase Requisition P.O.
Obtain P.O. from Controller