> For the complete documentation index, see [llms.txt](https://docs.imerit.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.imerit.net/core-concepts.md).

# Core Concepts

- [Assets](https://docs.imerit.net/core-concepts/assets.md): Overview of assets as they are used on Ango Hub
- [Attachments](https://docs.imerit.net/core-concepts/attachments.md): Attachments are media files like text, images, and videos that can be shown to labelers while annotating certain assets.
- [Batches](https://docs.imerit.net/core-concepts/batches.md)
- [Benchmarks](https://docs.imerit.net/core-concepts/benchmarks.md): Set certain labeling tasks as the gold standard and measure annotator performance.
- [Category Schema (Ontologies)](https://docs.imerit.net/core-concepts/label-sets-ontologies.md): Setting up your labeling project's ontology on Ango Hub
- [Frame Interpolation](https://docs.imerit.net/core-concepts/frame-interpolation.md)
- [Geofencing](https://docs.imerit.net/core-concepts/geofencing.md)
- [Idle Time Detection & Time Tracking](https://docs.imerit.net/core-concepts/idle-time-detection-and-time-tracking.md)
- [Instructions](https://docs.imerit.net/core-concepts/instructions.md): Overview on how to upload and view labeling instructions on Ango Hub.
- [Issues](https://docs.imerit.net/core-concepts/issues.md): Open and talk about labeling issues for all reviewers and managers to see.
- [Issue Error Codes](https://docs.imerit.net/core-concepts/issues/issue-error-codes.md)
- [Label Validation](https://docs.imerit.net/core-concepts/label-validation.md)
- [Labeler Performance](https://docs.imerit.net/core-concepts/labeler-performance.md): Viewing and analyzing labeler performance on Ango Hub
- [Labeling](https://docs.imerit.net/core-concepts/labeling-core-concept.md): Overview of performing data labeling on Ango Hub.
- [Labeling Queue](https://docs.imerit.net/core-concepts/labeling-queue.md): Order in which assets are shown to labelers on Ango Hub.
- [Multiple Classification](https://docs.imerit.net/core-concepts/multiple-classification.md)
- [Notifications](https://docs.imerit.net/core-concepts/notifications.md)
- [Organizations](https://docs.imerit.net/core-concepts/organizations.md): Overview of organizations and organization management on Ango Hub
- [Priority](https://docs.imerit.net/core-concepts/priority.md): Each task can be assigned a priority level, according to which it will be processed in the queues.
- [Projects](https://docs.imerit.net/core-concepts/projects.md): Overview of projects and project management in Ango Hub
- [Requeuing](https://docs.imerit.net/core-concepts/requeuing.md): Reset labeling tasks and put them back in the labeling or reviewing queue.
- [Reviewing](https://docs.imerit.net/core-concepts/reviewing.md): Overview of reviewing annotations on Ango Hub.
- [Review Queue](https://docs.imerit.net/core-concepts/review-queue.md)
- [Skipping](https://docs.imerit.net/core-concepts/skipping.md)
- [Stage History](https://docs.imerit.net/core-concepts/stage-history.md)
- [Tasks](https://docs.imerit.net/core-concepts/tasks.md): Overview of labeling tasks in Ango Hub
- [Usage](https://docs.imerit.net/core-concepts/usage.md)
- [User Roles](https://docs.imerit.net/core-concepts/user-roles.md): Overview of user roles and permission levels in Ango Hub
- [Workflow](https://docs.imerit.net/core-concepts/workflow.md): Overview of workflow stages in Ango Hub
- [Complete](https://docs.imerit.net/core-concepts/workflow/complete.md)
- [Consensus](https://docs.imerit.net/core-concepts/workflow/consensus.md)
- [Hold](https://docs.imerit.net/core-concepts/workflow/hold.md)
- [Label](https://docs.imerit.net/core-concepts/workflow/label.md)
- [Logic](https://docs.imerit.net/core-concepts/workflow/logic.md)
- [Plugin](https://docs.imerit.net/core-concepts/workflow/plugin.md)
- [Review](https://docs.imerit.net/core-concepts/workflow/review.md)
- [Start](https://docs.imerit.net/core-concepts/workflow/start.md)
- [Webhook](https://docs.imerit.net/core-concepts/workflow/webhook.md)