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

# Overview

> SDK data structures and constants.

## Type list

* [APIResponse](/en/api-reference/supernote-plugin/types/api-response)
* [Point](/en/api-reference/supernote-plugin/types/point)
* [Rect](/en/api-reference/supernote-plugin/types/rect)
* [Size](/en/api-reference/supernote-plugin/types/size)
* [ElementDataAccessor](/en/api-reference/supernote-plugin/types/trail-data-accessor)
* [Stroke](/en/api-reference/supernote-plugin/types/stroke)
* [PenInfo](/en/api-reference/supernote-plugin/types/pen-info)
* [RecognData](/en/api-reference/supernote-plugin/types/recogn-data)
* [RecogResultData](/en/api-reference/supernote-plugin/types/recog-result-data)
* [Geometry](/en/api-reference/supernote-plugin/types/geometry)
* [Picture](/en/api-reference/supernote-plugin/types/picture)
* [Template](/en/api-reference/supernote-plugin/types/template)
* [KeyWord](/en/api-reference/supernote-plugin/types/key-word)
* [Layer](/en/api-reference/supernote-plugin/types/layer)
* [Element](/en/api-reference/supernote-plugin/types/trail)
* [TextLink](/en/api-reference/supernote-plugin/types/text-link)
* [Link](/en/api-reference/supernote-plugin/types/link)
* [LassoLink](/en/api-reference/supernote-plugin/types/lasso-link)
* [Title](/en/api-reference/supernote-plugin/types/title)
* [TextBox](/en/api-reference/supernote-plugin/types/text-box)
* [ButtonListener](/en/api-reference/supernote-plugin/types/button-listener)
* [ButtonSubscription](/en/api-reference/supernote-plugin/types/button-subscription)
* [MotionEvent](/en/api-reference/supernote-plugin/types/motion-event)