Lean Manufacturing and Six Sigma Definitions

Glossary terms, history, people and definitions about Lean and Six Sigma


Abbreviation for Work In Progress or Work in Process. It is the amount of work that has started on an asset or item, but has not been delivered to a customer or received payment for the item. In a manufacturing setting, items that have been received at the factory, but have not been delivered to the customer. In a service industry, a project or task that has been started, but not emailed or faxed to the customer. Different stages may be assigned different labels, depending on the amount of work completed.