misc notes for now.  of course this needs to be written up for real.


## execution context

The execution context represents facts such as the runtime directory, the
operating system, hardware, and filesystem layout, distinct from environment
variables or request-scoped context.

## philosophy

- TODO-DESIGN.md
- concentric-circles.md
- nomenclature.md
- mutability.md
- commands.md
- groups-and-roles.md