An activity is the effort needed to complete a work package. The activities are linked to the work

packages in the WBS.

An activity is the element of work performed throughout the various stages of a project. It is a group

of people, communications, processes,

and work items that correspond to a joint effort to achieve a goal. An activity is a way to manage the

work collectively with others in any

organization. The create WBS process identifies the deliverables at the lowest level in the WBS,

called the work package. Project work

packages are divided into smaller elements known as activities, which correspond to the work

required to complete the work package.

Answer option D is incorrect. This is a definition of all the work that the project team and manager

must complete in order to complete the

total activity list.

Answer options A and C are incorrect. These are not valid definitions of an activity.