# Combobox > A select you can type into to filter a long list. - **Level**: molecule · **Status**: stable · **Role**: input - **Import**: `import { Combobox, ComboboxContent, ComboboxEmpty, ComboboxGroup, ComboboxInput, ComboboxItem } from "@rrios-forge/ui/molecules/combobox";` - **Source**: `packages/ui/src/molecules/combobox` **Purpose.** A searchable single-choice selector. Composes a Popover surface with the cmdk Command primitive — type-ahead filtering, arrow-key navigation, escape-to-close — behind a Trigger that mirrors `Select`'s chrome. **When to use.** - The list of options is long (~10 or more) so scanning is slow. - The user is likely to know the option's name and benefits from filtering as they type. - The options have grouping (frameworks by family, regions by continent) that filtering can collapse. **When NOT to use.** - ≤ 10 options where scanning is fast → use `Select`. Combobox adds keyboard ceremony for no gain. - Multi-select picker → use a tag-list pattern with `Combobox` + a chips region (or wait for a `MultiCombobox` molecule). - Free text where any value is acceptable → use `Input`. Combobox enforces a fixed list. **Composes with.** - `Field` to inherit label / description / error wiring. - `Combobox.Trigger / Content / Input / List / Group / Item / Separator / Empty` are the compound surface; consumers always render through them. - `Label` + `Description` for inline placements outside `Field`. **Accessibility.** - The Trigger is a `