When does an idea become a project?
Completion requirements
Definition
"A project is a temporary endeavor with a beginning and and end, and it must be used to create a unique product, service or result" Project Management Body of Knowledge (PMBOK)
"A project is a sequence of unique, complex and connected activities that have one goal or purpose and that must be completed by a specific time, within budget and according to specification" Wysocki, 2014