> For the complete documentation index, see [llms.txt](https://docs.dreamerland.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dreamerland.ai/video/wan2.1-video/video-to-video/key-frames.md).

# Key frames

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The Start Key Frame allows you to establish precise initial conditions for your video generation. By setting this key frame, you ensure the AI begins processing with your exact desired composition, style, or subject placement.

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