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Example from MIL-HDBK-881, which illustrates the first three levels of a typical aircraft system [1]. A work-breakdown structure (WBS) [2] in project management and systems engineering is a deliverable-oriented breakdown of a project into smaller components.
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.
Work breakdown structure (WBS) is a method and a kind of representation that defines a project and groups the project's discrete work elements in a way that helps organize and define the total work scope of the project. A Work breakdown structure element may be a product, data, a service, or any combination.
The IMP provides a better structure than either the Work Breakdown Structure (WBS) or Organizational Breakdown Structure (OBS) for measuring actual integrated master schedule (IMS) progress. [8] The primary objective of the IMP is a single plan that establishes the program or project fundamentals.
A Guide to the Project Management Body of Knowledge — Sixth Edition provides guidelines for managing individual projects and defines project management related concepts. It also describes the project management life cycle and its related processes, as well as the project life cycle. [9] and for the first time it includes an "Agile Practice ...
Schedule baseline and work breakdown structure: The WBS which consists of work packages and WBS dictionary, which defines these work packages, as well as schedule baseline, which is the reference point for managing project progress, are included here. Project management plans: This section contains all management plans of all project aspects.
[7] [8] Gantt charts illustrate the start and finish dates of the terminal elements and summary elements of a project. [1] Terminal elements and summary elements constitute the work breakdown structure of the project. Modern Gantt charts also show the dependency (i.e., precedence network) relationships between activities. Gantt charts can be ...
In project management, these are often project components visualised in hierarchical form: Goals breakdown structure ( GBS ) Organizational breakdown structure ( OBS ), Diagram showing organizational structure Pages displaying short descriptions of redirect targets