Brainstorming diagram using Microsoft Visio 2013 for asking questions in determining environment gap analysis for application and creating an Environment Gap Analysis Diagram. This comes in very handy for future use too in order to help you remember all the questions to ask.
Microsoft designed a great looking infograph diagram for Microsoft Cloud Design Patterns. It depicts a guidance of designing cloud-hosted applications and design patterns. If you search around on their site using the links below, they have a wealth of other patterns that are useful and ready in Visio. https://docs.microsoft.com/en-us/azure/architecture/patterns/