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Supply Chain Glossary - D

Supply Chain Glossary - D

delivery schedule

The required or agreed time or rate of delivery of goods or services purchased for a future period.

A qualitative forecasting technique where the opinions of experts are combined in a series of iterations. The results of each iteration are used to develop the next, so that convergence of the experts' opinions is obtained. See: management estimation, panel consensus.

A need for a particular product or component. The demand could come from any number of sources, e.g., customer order or forecast, an interplant requirement, or a request from a branch warehouse for a service part or for manufacturing another product. At the finished goods level, demand data are usually different from sales data because demand does not necessarily result in sales (i.e., if there is no stock, there will be no sale). There are generally up to four components of demand: cyclical component, random component, seasonal component, and trend component.

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