Глоссарий терминов и определений PMBOK

Activity
An element of work performed during the course of a project. An activity normally has an expected duration, an expected cost, and expected resource requirements. Activities can be subdivided into tasks.

Activity Definition
Identifying the specific activities that must be performed to produce the various project deliverables.

Activity Description
A short phrase or label used in a project network diagram. The activity description normally describes the scope of work of the activity.

Activity Duration Estimating
Estimating the number of work periods that will be needed to complete individual activities.

Activity Sequencing
Identifying and documenting interactivity logical relationships.

Activity-on-Arrow
See arrow diagramming method.

Activity-on-Node
See precedence diagramming method.

Actual Cost
Total costs incurred that must relate to whatever cost was budgeted within the planned value and earned value (which can sometimes be direct labor hours alone, direct costs alone, or all costs including indirect costs) in accomplishing work during a given

Actual Cost of Work Performed
This term has been replaced with the term actual cost.

Actual Finish Date
The point in time that work actually ended on an activity. (Note: In some application areas, the activity is considered "finished" when work is "substantially complete".)

Actual Start Date
The point in time that work actually started on an activity.

Administrative Closure
Generating, gathering, and disseminating information to formalize phase or project completion.

Application Area
A category of projects that have common elements not present in all projects. Application areas are usually defined in terms of either the product of the project (i.e., by similar technologes or industry sectors) or the type of customer (e.g., internal ve

Arrow
The graphic presentation of an activity. See also arrow diagramming method.

Arrow Diagramming Method
A network diagramming technique in which activities are represented by arrows. The tail of the arrow represents the start, and the head represents the finish of the activity (the length of the arrow does not represent the expected duration of the activity

As-of Date
See data date .

Assumptions
Assumptions are factors that, for planning purposes, are considered to be true, real, or certain. Assumptions affect all aspects of project planning, and are part of the progressive elaboration of the project. Project teams frequently identify, doc­ument,

Assumptions analysis
A technique that explores the assumptions' accuracy and identifies risks to the project from inaccuracy, inconsistency, or incompleteness of assumptions.