Use the Assign WBS or Activities dialog box to assign the selected work product or document to an activity or work breakdown structure (WBS) element.
Display Options bar: Lists options for changing the WBS and activities display.
WBS or Activities table: Lists WBS elements and activities in the open project. To sort the display, click a column label.
Assign: Assigns the selected WBS element or activity to the selected work product or document.
Remove: Removes the selected activity or WBS assignment.