PMBOK 5th

Project/项目 : A project is a temporary endeavor undertaken to create a unique product, service, or result. : 项目是为提供一项独特的产品、服务或成果所做的 临时性 努力

• Portfolios, Programs, Projects - 项目组、项目集、项目

Project management : the application of knowledge, skills, tools, and techniques to project activities to meet the project requirements

6 个制约 - Scope, Quality, Schedule, Budget, Resources, Risks, PM 在这之间进行权衡。