What Is A WBS Dictionary?

Breaking Down The Work

A typical Work Breakdown Structure “decomposes” items, or breaks them down from a high level feature or deliverable, into smaller Work Packages or User Stories that a person can work on.

But once you’ve decomposed those deliverables, you need to add information to them to make them meaningful. And you do that with a WBS Dictionary.

What Goes In A WBS Dictionary?

A WBS Dictionary lists our deliverables, the work packages in those deliverables, and then any additional project information we need. It will usually include:

  • A Unique ID
  • Deliverable Name
  • Work Package Name
  • Description

And then Project attributes, such as:

  • Resources Required
  • Cost Estimates
  • Duration Estimates
  • Dependencies (what needs to be completed first)
  • Quality Requirements (tasks or acceptance criteria)

And lastly, the people involved, such as:

  • Who the item is assigned to
  • Who approved or signed off on the item.

Having all this information at a glance makes it easier to understand your project and see what is needed.

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