Question & Answer: What is the smallest and lowest level of a WBS called, and what is it useful for?…..

The lowest level of WBS is called work package

The WBS full form is Work Breakdown Structure. As stated by name WBS means breaking down any a project into small and easy components which should be manageable. WBS is used to make project more manageable.

The work package is lowest level of WBS. It is created during Create WBS planning. The work package should be managed by one person who is known as work package owner. When the work is accurately estimated then we call that the work package is achieved.

The lowest level of WBS project sets team members to have a clear understanding of their roles and responsibilities.

Risk is managed by this. It helps to understand the critical risk both in micro and macro level.