Final answer:
A project is usually defined in terms of scope, cost, quality, and schedule. Other important elements like stakeholders and communication are crucial to the project but schedule is the fourth parameter traditionally listed with the primary three.
Step-by-step explanation:
A project is typically defined in terms of scope, cost, quality, and schedule. Other factors like risk, stakeholders, and communication are also crucial, but when referring to the main parameters, schedule is often listed alongside scope, cost, and quality. Effective project management requires balancing all these elements to ensure successful project completion. Stakeholders include not only the customers who use and pay for the product but also various groups such as government agencies, mechanics, and companies that are involved indirectly. Stakeholder management and communication are critical for success, but they are generally considered part of the overarching project management process rather than the defining parameters themselves.