Spaghetti diagram,

Definition of Spaghetti diagram:

1. A complex diagram that maps the path of production for a product or service, typically from requirement to deliverable. A spaghetti diagram can also be used to map the steps taken by employees within an organization as they move a product or service toward completion within the company. As a result of the many steps typically involved in the process, the spaghetti diagram gets its name from its finished appearance, often resembling a bowl of spaghetti.