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.
persistence-Computer Definition. (1) In a CRT, the time a phosphor dot remains illuminated after being energized. Long-persistence phosphors reduce flicker, but generate ghost-like images that linger on screen for a fraction of a second.(2) In object technology, the storage of an object on a disk or other permanent storage device.1) In a CRT, the time a phosphor dot remains illuminated after being energized. Long-persistence phosphors reduce flicker, but generate ghost-like images that linger on screen for a fraction of a second. (2) In object technology, the storage of an object on a disk or other permanent storage device.