This blog post first appeared on the simple talk site:
https://www.red-gate.com/simple-talk/blogs/solution-summary-cards/
Solution Summary cards are the name I have given to simple 1-page documents provided to developers to get up-to-speed on a particular solution.
The primary use-case for these cards is to provide better on-boarding for new team members.
An additional benefit is that crafting these short summaries forces people to review how your teams are working and you will often start seeing areas which would benefit from standardization or simplification.
An example of one these cards, in this case for a simple Data Warehouse implementation, can be seen below:
Ben Brown 