What is a Phase Review Process. A Phase Review process, also referred to as a Stage-GateÂ® process, is a project management technique, in which an initiative or project (e.g. product development, process improvement, business change, etc.) is divided into phases (or stages) separated by tollgates.
Definition of persistence for English Language Learners. : 1  the quality that allows someone to continue doing something or trying to do something even though it is difficult or opposed by other people. : 2  the state of occurring or existing beyond the usual, expected, or normal time.
syn: perseverance, persistence, tenacity imply determined continuance in a state or in a course of action. perseverance suggests effort maintained in spite of difficulties or long-continued application; it is used in a favorable sense: The scientist's perseverance finally paid off in a coveted prize.