Issue: A problem that needs either resolution or attention by the project manager.
Off-specification: A project product which has not or forecast-ed not to be delivered as originally base-lined.
Change Request: It is a request for a change to a product from its base-lined form.
For example (Producing a budget laptop):
Issue: Processor specified is no longer in production.
Off-specification: Processor in the final laptop product over-heat.
Change Request: Senior User request a higher frequency processor for the laptop.
N.B. This is within the context for PRINCE2 terminology
Off-specification: A project product which has not or forecast-ed not to be delivered as originally base-lined.
Change Request: It is a request for a change to a product from its base-lined form.
For example (Producing a budget laptop):
Issue: Processor specified is no longer in production.
Off-specification: Processor in the final laptop product over-heat.
Change Request: Senior User request a higher frequency processor for the laptop.
N.B. This is within the context for PRINCE2 terminology