Project management is the use of specific knowledge, skills, tools and techniques to deliver something of value to people. The development of software for an improved business process, the construction of a building, the relief effort after a natural disaster, the expansion of sales into a new geographic market—these are all examples of projects.
— Project Management Institute
根據PMI的說法,則是利用知識、技能、工具及技巧去為人們生產出價值。現實中未必每一家公司或每一個團隊都會有正式的專案管理流程,但專案管理可以幫助團隊高效地完成專案,維持改好的溝通使隊友協作變得容易,更可以尋找一種可以規劃、管理並執行工作的方式,使專案順利進行及完成。