> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nlabel.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Annotations

> Structured labels included with datasets

## Annotation types

Datasets may include the following annotations:

* Temporal action segments
* Hand keypoints and pose
* Object interaction states
* Task-level natural language descriptions
* Vision–question–answer (VQA) pairs

Annotations are provided in JSON format with frame-level references.

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## Design principles

* Minimal ambiguity
* Consistent ontology
* Compatible with supervised and self-supervised learning
* Easy filtering and indexing