# UI Reference - [HandManager](https://handtracking.lightbuzz.com/ui-reference/handmanager.md): Loads hands to a 2D Canvas or 3D space. - [HandViewer](https://handtracking.lightbuzz.com/ui-reference/handviewer.md): Detects hands in an image, draws the image texture and loads hands to a 2D Canvas or 3D space. - [HandVisual](https://handtracking.lightbuzz.com/ui-reference/handvisual.md): Visualizes finger joints using LineRenderer. - [ImageView](https://handtracking.lightbuzz.com/ui-reference/imageview.md): Draws the image texture. - [StreamSource](https://handtracking.lightbuzz.com/ui-reference/streamsource.md): Represents a stream source. - [SpriteSource](https://handtracking.lightbuzz.com/ui-reference/streamsource/spritesource.md): Manages the sprite functionality. - [VideoSource](https://handtracking.lightbuzz.com/ui-reference/streamsource/videosource.md): Manages the video functionality. - [WebcamSource](https://handtracking.lightbuzz.com/ui-reference/streamsource/webcamsource.md): Manages the webcam functionality. - [HandTrackerExtensions](https://handtracking.lightbuzz.com/ui-reference/handtrackerextensions.md): Extension methods for the StreamSource class. - [WebcamSelector](https://handtracking.lightbuzz.com/ui-reference/webcamselector.md): GUI component that switches between cameras. --- # 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://handtracking.lightbuzz.com/ui-reference.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.