# Doc Entities
## Master Doc Entities Table
| `feature/` | Navigational hubs for user-facing features with cross-references | [feature/readme.md](feature/readme.md) | 2 |
| `invariant/` | Correctness properties that must always hold | [invariant/readme.md](invariant/readme.md) | 2 |
| `pattern/` | Reusable design patterns applied in the implementation | [pattern/readme.md](pattern/readme.md) | 1 |
## Master Doc Instances Table
| feature | 001 | Test Aggregation Facade | [feature/001_test_aggregation_facade.md](feature/001_test_aggregation_facade.md) |
| feature | 002 | SmokeModuleTest | [feature/002_smoke_module_test.md](feature/002_smoke_module_test.md) |
| invariant | 001 | No cfg Gate on Namespace Modules | [invariant/001_no_cfg_gate_on_namespace.md](invariant/001_no_cfg_gate_on_namespace.md) |
| invariant | 002 | No vec! Reexport at Crate Root | [invariant/002_no_vec_macro_reexport.md](invariant/002_no_vec_macro_reexport.md) |
| pattern | 001 | Namespace Layers | [pattern/001_namespace_layers.md](pattern/001_namespace_layers.md) |