Conversation so far:
what is the purpose of system vision document
A system vision document is a document that defines the high-level scope and the purpose of the system or project. This helps in reducing the risks of the system.
what components are included in a system vision document
System Vision Documents include the problem description, the anticipated business benefits, and the system capabilities.

Question: when should the vision be created
Self-contained rewrite: when should a vision document be made