A temporary endeavor undertaken to create a unique product or service”…and is “progressively elaborated.”

An individual, group, or organization who may affect, be affected by, or perceive itself to be
affected by a decision, activity, or outcome of a project.

Something that has happened. A point or matter in question or in dispute, or a point or matter that is not settled and is under discussion or over which there are opposing views or disagreements.

A hierarchical decomposition of the total scope of work to be carried out by the project team to accomplish the project objectives and create the required deliverables.

A significant point or event in a project, program, or portfolio.

An organization's ongoing, repetitive activities

A person or group who provides resources and support for the project, program, or portfolio and is
accountable for enabling success.

An uncertain event or condition that, if it occurs, has a positive or negative effect on one or more project
objectives.

The total number of work periods (not including holidays or other nonworking periods)
required to complete a schedule activity or work breakdown structure component. Usually expressed as workdays
or workweeks. Sometimes incorrectly equated with elapsed ti

The sequence of activities that represents the longest path through a project, which determines the shortest possible duration.

The application of knowledge, skills, tools, and techniques to project activities to meet the
project requirements.

The person assigned by the performing organization to lead the team that is responsible
for achieving the project objectives.

A limiting factor that affects the execution of a project, program, portfolio, or process.

The number of labor units required to complete a schedule activity or work breakdown structure component, often expressed in hours, days, or weeks.

The sequence of events, or a graphical representation of the logical relationships among the project schedule activities.

A group of related projects, subprograms, and program activities managed in a coordinated way to
obtain benefits not available from managing them individually.

A set of individuals who support the project manager in performing the work of the project to achieve its objectives.

A factor in the planning process that is considered to be true, real, or certain, without proof or
demonstration.

Any unique and verifiable product, result, or capability to perform a service that is required to be
produced to complete a process, phase, or project.

The approved version of a work product that can be changed only through formal change control
procedures and is used as a basis for comparison.

Projects, programs, subportfolios, and operations managed as a group to achieve strategic objectives.

The members of the project team who are directly involved in project management activities. On some smaller projects, the project management team may include virtually all of the project team members.

A risk response strategy whereby the project team acts to reduce the probability of occurrence or impact of a risk.

The work defined at the lowest level of the work breakdown structure for which cost and duration
can be estimated and managed.

A grid that shows the project resources assigned to each work package.