Quick start is a thorough analysis of businesses IT infrastructure and project ideas by a top-gun analyst, to get a holistic picture of your project on paper and into development as-soon-as-possible.
Quick start is both
It is an ideal instrument for resource and cost optimization.
Validate and get help with formulating and planning the project
Find possible gaps in the vision
Find specific weak points of the project and understand how to counter them
Prove the business case and feasibility
Document that describes the project to a third party in such detail that allows to estimate the development time and cost