Want different definitions on Project Management?

Project management is the discipline of defining and achieving targets while optimizing the use of resources (time, money, people, materials, energy, space, etc) over the course of a project (a set of activities of finite duration).

Different models of project management :

ISO 10006:1997, Quality management - Guidelines to quality in project management
A Guide to the Project Management Body of Knowledge (PMBOK Guide)
P2M (A guidebook of Project & Program Management for Enterprise Innovation, japanese third-generation project management method)
PRINCE2 (PRojects IN a Controlled Environment)
V-Modell (German project management method)
HERMES (The Swiss general project management method, selected for use in Luxembourg and international organisations)
ISEB Project Management Syllabus

project management:managing projects

Definitions of Project Management on the Web:

Project management is the application of knowledge, skills, tools and techniques to a broad range of activities in order to meet the requirements of the particular project. A project is a temporary endeavor undertaken to achieve a particular aim. Project management knowledge and practices are best described in terms of their component processes. These processes can be placed into five Process Groups: Initiating, Planning, Executing, Controlling and Closing. ...
scrc.ncsu.edu/public/DEFINITIONS/P%20-...

The leadership role which plans, budgets, co-ordinates, monitors and controls the operational contributions of property professionals, and others, in a project involving the development of land in accordance with a client's objectives in terms of quality, cost and time.
narains.com/glossary.htm

A controlled process of initiating, planning, executing, and closing down a project.
www.cbu.edu/~lschmitt/I351/glossary.ht...

Both a process and set of tools and techniques concerned with defining the project's goal, planning all the work to reach the goal, leading the project and support teams, monitoring progress, and seeing to it that the project is completed in a satisfactory way.
www.shapetomorrow.com/resources/p.html

The application of modern management techniques and systems to the execution of a project from start to finish, to achieve predetermined objectives of scope, quality, time and cost, to the equal satisfaction of those involved.
oit.osu.edu/projmanage/glossary.html

Project management is concerned with the overall planning and co-ordination of a project from inception to completion aimed at meeting the client's requirements and ensuring completion on time, within cost and to required quality standards. Project management is typically carried out either by a private consultant or an employee of the project client.
www.ecbp.org/glossary.htm

Manages the production of projects with schedules and tasks associated with the project. It often involves detailed expertise in many of the following areas: planning, cost management, contract negotiations/procurement, technical writing (proposals, etc.), research, technical development, information/computer management, business development, corporate/administrative management, time management, and others. ...
www.organized-living.com/industryterms...

The methods and disciplines used to define goals, plan and monitor tasks and resources, identify and resolve issues, and control costs and budgets for a specific project.
www.bridgefieldgroup.com/glos7.htm

May be used in a project manufacturing environment for production scheduling or in a variety of one off projects throughout all types of organisation.
www.homercomputer.com.au/homer_softwar...

The action of managing a project. It can involves many activities, from scheduling to communication. Project Management in TOC is outcomes based as opposed to activity based, and TPACC software is an ideal tool used to measure the progress toward the financial outcome.
www.tpacc.com/knowledge_base_dictionar...

Approach used to manage work with the constraints of time, cost and performance targets.
www.mccombs.utexas.edu/faculty/Linda.B...

This is managing the resources needed to ensure that a project is finished on time and within budget and to the satisfaction of the end user. Project managers use tools such as PERT and Gantt charts for scheduling all the tasks that need to be completed. They are conscious of managing time, scope and resources for a project. To reduce time to complete a project the manager might decide to employ more workers which would increase costs. ...
michaelmnz.tripod.com/dictionary.htm

The planning, control and co-ordination of all aspects of a project, and the motivation of all those involved in it, in order to achieve the project objectives.
www.ams.mod.uk/ams/content/docs/ils/il...

Project management is the discipline of defining and achieving targets while optimizing the use of resources (time, money, people, space, etc). Thus, it could be classified into several models: time, cost, scope, and intangibles.
en.wikipedia.org/wiki/Project_manageme...

Project Management is the application of Knowledge, Skills, Tools and Techniques to project activities in order to meet project requirements.

Project Management Body of Knowledge is an inclusive term that describes the sum of knowledge within the profession of Project Management.
Includes knowledge of proven, widely applied traditional practices;
Innovative and advanced practices which may have seen more limited use.
The Knowledge and Practices that are applicable to most projects, most of the time.
Encompasses Planning, Organizing, Staffing, Executing, and Controlling the operations of an ongoing enterprise.
Knowledge required to accomplish a project in a specific industrial, technical, or service area (e.g. construction, software development)

Project based management is sweeping aside traditional functional line management. Accordingly, project managers are filling the voids created by the extinction of middle management.
Project managers generally possess only rudimentary technical knowledge regarding the project they are managing.
Instead, they must orchestrate the successfull completion of the project, by inducing the right people, at the right time, to address the right issues and make the right decisions.
Project Management Process has 2 dimensions.
The Technical Side
Formal, Disciplined, Pure Logic parts of the process; Relies on the Formal Information System available.
Scope, WBS, Schedules, Resource allocation; Budget, Reports
The Socio-Cultural Side
Project Managers have to,
Incite teamwork, motivation & capacity to identify/resolve problems;
Sustain political support of top management;
Assuage and shape expectations of customers;
Negotiate with their counterparts;
Monitor subcontractors.

how about a short definition? managing a project to make sure that it gets done on time and on budget.