Main Page | See live article | Alphabetical index In project management, a product breakdown structure (PBS) is an exhaustive, hierarchical tree structure of components that make up a project deliverable, arranged in whole-part relationship. A PBS can help clarify what is to be delivered by the project and can help build a work breakdown structure. E.g. PBS of a computer: Main unit Housing Motherboard CPU RAM chips ... FDD HDD Video card Sound card Network card LPT port card Monitor CRT Housing Electronic components Mouse Body Marble Cable Keyboard ... The PRINCE2 project management method mandates the use of product based planning, part of which is developing a product breakdown structure. See also: list of project management topics product management production, costs, and pricing product (business) project management product (project management) This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.