# Grasshopper User Interface

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`Primitives` and `Serialization` Categories are installed as part of the Pollination Rhino plugin. If you are only using the Grasshopper plugin you will only see the `Pollination` and `Parametric` categories.
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* [Primitives](https://docs.pollination.solutions/user-manual/grasshopper-plugin/grasshopper-user-interface/1_primitives)
* [Pollination](https://docs.pollination.solutions/user-manual/grasshopper-plugin/grasshopper-user-interface/2_pollination)
* [Parametric](https://docs.pollination.solutions/user-manual/grasshopper-plugin/grasshopper-user-interface/3_parametric)
* [Serialization](https://docs.pollination.solutions/user-manual/grasshopper-plugin/grasshopper-user-interface/4_serialization)