> For the complete documentation index, see [llms.txt](https://mind-expression-docs.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mind-expression-docs.gitbook.io/home/how-to-guides/components.md).

# Components

- [Normal Components](https://mind-expression-docs.gitbook.io/home/how-to-guides/components/normal-components.md)
- [Conditions](https://mind-expression-docs.gitbook.io/home/how-to-guides/components/normal-components/conditions.md): Conditions are very similar to Subjects, but they do not stand alone; they exist as a part of a Subject. A Condition adds a subordinate condition to the Subject and it must be validated.
- [Selection Classes](https://mind-expression-docs.gitbook.io/home/how-to-guides/components/normal-components/selection-classes.md): By having a Selection Class, you can set up Selections to define diverging paths for your customers to follow in the conversation. A Selection Class must include multiple Selections.
- [Parameter Bundles](https://mind-expression-docs.gitbook.io/home/how-to-guides/components/normal-components/parameter-bundles.md): By having a Parameter bundle, you can set up Parameters. Parameters are values that must be provided to obtain the result for the query. They can be set as required or optional, and the AI will only c
- [Response Components](https://mind-expression-docs.gitbook.io/home/how-to-guides/components/response-components.md)
- [Component Actions](https://mind-expression-docs.gitbook.io/home/how-to-guides/components/response-components/component-actions.md): This page contains all available Component features available in Mind Expression.


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