Contemporary business and science treat as a project (or program) any undertaking, carried out individually or collaboratively and possibly involving research or design, that is carefully planned (usually by a project team[citation needed]) to achieve a particular aim.
An alternative view sees a project managerially as a sequence of events: a "set of interrelated tasks to be executed over a fixed period and within certain cost and other limitations".
A project may be a temporary (rather than permanent) social system (work system), possibly constituted by teams (within or across organizations) to accomplish particular tasks under time constraints.
A project may be a part of wider programme management[citation needed] or an ad hoc structure.
A project consists of a concrete and organized effort motivated by a perceived opportunity when facing a problem, a need, a desire or a source of discomfort (e.g., lack of proper ventilation in a building). It seeks the realization of a unique and innovative deliverable, such as a product, a service, a process, or in some cases, a scientific research. Each project has a beginning and an end, and as such is considered a closed dynamic system. It is developed along the 4 Ps of project management: Plan, Processes, People, and Power (e.g., line of authority). It is bound by the triple constraints that are calendar, costs and norms of quality, each of which can be determined and measured objectively along the project lifecycle. Each project produces some level of formal documentation, the deliverable(s), and some impacts, which can be positive and/or negative.
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