> For the complete documentation index, see [llms.txt](https://threadforge.gitbook.io/threadlink-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://threadforge.gitbook.io/threadlink-documentation/reference/glossary.md).

# Terminology

| Term                  | Definition                                                                                                                                                                                           |
| --------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Core**              | The `Threadlink` singleton; a Weaver of subsystems.                                                                                                                                                  |
| **Subsystem**         | A service the core owns and runs through a lifecycle.                                                                                                                                                |
| **Weaving**           | Creating an object and owning its lifecycle.                                                                                                                                                         |
| **Linking**           | Tracking an object created elsewhere.                                                                                                                                                                |
| **Domain**            | A generated enumeration of identifiers.                                                                                                                                                              |
| **Injector**          | A text file that adds entries to an existing domain; its name is the entries' scope.                                                                                                                 |
| **Domain definition** | A text file that declares a new enumeration.                                                                                                                                                         |
| **Shell**             | The C# template a generated enumeration is written into.                                                                                                                                             |
| **Manifest**          | The JSON record of a domain's assigned member names and values.                                                                                                                                      |
| **Tombstone**         | A removed entry kept as `[Obsolete]` so existing references still resolve.                                                                                                                           |
| **Scope**             | The qualifier in an entry's hash key: an injector name or an Addressable group.                                                                                                                      |
| **Scene entry**       | An `ISceneEntry` implementation: a scene with its audio, physics mode and unload delay.                                                                                                              |
| **Hold**              | A claim on a scene that keeps it resident until released.                                                                                                                                            |
| **Presented scene**   | The resident scene the local player sees and hears.                                                                                                                                                  |
| **Bootstrap scene**   | The one non-Addressable scene, first in Build Settings: the build's entry point, loaded for the whole run (see [Deployment Overview](/threadlink-documentation/foundations/deployment-overview.md)). |
| **Discoverable**      | A scene component Initium boots automatically when its scene loads and discards before it unloads.                                                                                                   |
| **Distribution**      | The store Sentinel uses on a platform, such as Steam or Local.                                                                                                                                       |
| **Module**            | A Sentinel implementation for exact platform/distribution pairs.                                                                                                                                     |
| **FP**                | Deterministic Q32.32 fixed-point number type (see [Fixed Point](/threadlink-documentation/engineer-reference/deterministic/fixed-point.md)).                                                         |
| **Stream**            | A sequence of random numbers that is a pure function of a seed, a domain and identity parts (see [StatelessRNG](/threadlink-documentation/engineer-reference/deterministic/stateless-rng.md)).       |
| **Report**            | What a monitored subsystem or service says about its state: a summary and, on request, details (see [Monitoring](/threadlink-documentation/engineer-reference/monitoring.md)).                       |
| **Inline collection** | A collection laid out inside another value's memory (see [Memory](/threadlink-documentation/engineer-reference/memory.md)).                                                                          |