# Preview Data and Label Distribution Online
## **Annotation Visualization**
> **View Mainstream data like Images, Videos, and the corresponding Annotations.**
* Mini-window on the right corner: Click "<" or ">" to switch data samples.
* Annotation list on the left: Click a label name to view its corresponding annotations in the main view
## **Label Distribution Visualization**
> View label distribution of a dataset
* Multiple data presentations: list, histogram, pie chart, etc.
* Copy the URL /IFRAME of the preview page and embed the visualization widget into your own page
{% hint style="info" %}
Visualization widgets have not yet covered all datasets but will be available soon :)
{% endhint %}
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.graviti.com/guide/opendataset/visualization.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.