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The adjacent figure shows a work breakdown structure construction technique that demonstrates the 100% rule and the "progressive elaboration" technique. At WBS Level 1 it shows 100 units of work as the total scope of a project to design and build a custom bicycle. At WBS Level 2, the 100 units are divided into seven elements.
978-1-62825-664-2 The Project Management Body of Knowledge ( PMBOK ) is a set of standard terminology and guidelines (a body of knowledge ) for project management . The body of knowledge evolves over time and is presented in A Guide to the Project Management Body of Knowledge ( PMBOK Guide ), a book whose seventh edition was released in 2021.
In project management, these are often project components visualised in hierarchical form: . Goals breakdown structure (GBS); Organizational breakdown structure (OBS), Diagram showing organizational structure
The work breakdown structure (WBS) is a tree structure that shows a subdivision of the activities required to achieve an objective – for example a portfolio, program, project, and contract. The WBS may be hardware-, product-, service-, or process -oriented (see an example in a NASA reporting structure (2001) ). [ 75 ]
A Work breakdown structure element may be a product, data, a service, or any combination. The Work Breakdown Structure is a tree structure, which shows a subdivision of effort required to achieve an objective; for example a program, project, and contract. The WBS may show hardware, product, service, or process oriented; Now you seem to state:
In business and project management, a responsibility assignment matrix [1] (RAM), also known as RACI matrix [2] (/ ˈ r eɪ s i /; responsible, accountable, consulted, and informed) [3] [4] or linear responsibility chart [5] (LRC), is a model that describes the participation by various roles in completing tasks or deliverables [4] for a project or business process.
The GBS is the culmination of three concepts: the hierarchical relationship of product development, the work breakdown structure and requirements traceability.. The concept of a hierarchical relationship among objectives in product development was identified by Joseph M. Juran in Juran's Quality Control Handbook [2] where he states in section 2.2, subsection Hierarchy of Product Features ...
The PBS is identical in format to the work breakdown structure (WBS), but is a separate entity and is used at a different step in the planning process. The PBS precedes the WBS and focuses on cataloguing all the desired outputs (products) needed to achieve the goal of the project.