W-Z

WBS

See Work Breakdown Structure.

what-if analysis

The process of evaluating alternative strategies.

work

For tasks, the total labor required for all resources to complete a task; for assignments, the amount of work to which a resource is assigned for a specific task; for resources, the total amount of work to which a resource is assigned for all tasks.

work breakdown structure

A method for analyzing activities where each activity is broken into subactivities and work packages, estimates for the work packages are created, and costs rolled up into larger subactivities and activities.

work package

A lower-level activity required to complete a larger activity.

workflow

The relationship of the activities in a project from start to finish.

working time

Days and hours when work can occur.

XML

eXtensible Markup Language, the HTML-like markup language designed for the storage and display of well-categorized data.

zero float

A condition where there is no excess time between activities; also known as a critical activity.