# Doc Entities
## Master Doc Entities Table
| `api/` | Catalog of api/ doc instances covering DSL operations and their semantics | [api/readme.md](api/readme.md) | 1 |
| `feature/` | Catalog of feature doc instances covering the mod_interface! macro and its DSL | [feature/readme.md](feature/readme.md) | 1 |
| `invariant/` | Catalog of invariant doc instances governing the namespace layer system | [invariant/readme.md](invariant/readme.md) | 1 |
## Master Doc Instances Table
| api | 001 | mod_interface Macro DSL | [api/001_mod_interface_macro.md](api/001_mod_interface_macro.md) |
| feature | 001 | mod_interface Macro | [feature/001_mod_interface.md](feature/001_mod_interface.md) |
| invariant | 001 | Namespace Cascade | [invariant/001_namespace_cascade.md](invariant/001_namespace_cascade.md) |