docs: update references to renamed commons repository (#11)

services/docs/content/en/root/glossary.md

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+---
+title: Glossary
+description: Terminology used within the Root infrastructure framework.
+weight: 100
+---
+
+Terminology used within the Root infrastructure framework.
+
+## Action {#action}
+
+**Action** - An atomic automation task located in `scripts/actions/`. Actions follow the "Stupid Action" philosophy, remaining declarative and relying on the `root` dispatcher for environment setup.
+
+## Commons {#commons}
+
+**Commons** - The shared repository containing generic logic, namespaced libraries, and standardized automation actions used across all nodes. Referenced at [GitHub: ermnvldmr.com-root-commons](https://github.com/deytenit/ermnvldmr.com-root-commons).
+
+## Dispatcher {#dispatcher}
+
+**Dispatcher** - The `root` script that serves as the entrypoint. It resolves paths, warms the environment, and executes the requested [Action](/root/glossary#action).
+
+## Node {#node}
+
+**Node** - A physical or virtual host managed by the framework. Each node has a dedicated directory in the configuration repository containing its services and local settings.
+
+## Root {#root}
+
+**Root** - Both the name of the command-line utility and the top-level orchestration service within a [Node](/root/glossary#node) (typically handling Traefik and Adguard).
+
+## Tier {#tier}
+
+**Tier** - A standardized storage classification for service data.
+- **Tier 1**: Configuration and critical state.
+- **Tier 2**: Application data and databases.
+- **Tier 3**: Logs, caches, and bulk media.
+
+---
+
+**See also:**
+
+- [Concept: Infrastructure architecture](/root/concepts/architecture)
+- [Concept: Tiered storage model](/root/concepts/tiered-storage)