There should either be a problem to solve or an opportunity to capture.
Identify the core team doing the work, a sponsor, and as many other stakeholders as are known at this stage
Please provide as much detail as possible at this early stage
Please identify any internal or external time constraints.
(e.g. data gathering, other projects or activities, external events, etc). If so, when are they likely to be complete?
If so, try to get them grouped into “Must Have”, “Should Have” and “Nice to Have”.