Workflow refers to the operational portion of a work procedure. It has several aspects: how tasks are structured, who performs them, what their relative order is, how they are synchronized, how information flows to support the tasks and how tasks are being tracked.

In business, particularly, workflow is concerned with scheduling task executions, ensuring dependencies.

In traditional terms this means moving the paper, processing the order, issuing the invoice. It could also mean filling the order from the warehouse, assembling documents, parts, tools, and people to repair a complex system, or manufacturing the complex device.

In the last 15 years, tools that manage workflow have been developed. More than just procedural documents, workflow process is defined formally in a workflow computer system. The process is managed by a computer program that assigns the work, passes it on, and tracks its progress.

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