### Describe the issue or suggestion Detailed prompt is [here](https://github.com/dotnet/docs/blob/EverydayCSharp/.github/projects/EverydayCSharp-planFundamentalsRestructuring.prompt.md#pr-3--type-system-overview-built-in-types-enums) --- [Associated WorkItem - 558434](https://dev.azure.com/msft-skilling/Content/_workitems/edit/558434)
