> For AI agents: the complete documentation index is available at https://docs.flashnerd.com/llms.txt, the full documentation bundle is available at https://docs.flashnerd.com/llms-full.txt.

# Choose a field type

Flashnerd currently supports 11 field types. Choose the type in the deck template, then enter each card's content in the card editor.

| Field type                                                                        | Best for                                 | Distinctive controls                                 |
| --------------------------------------------------------------------------------- | ---------------------------------------- | ---------------------------------------------------- |
| [Text](https://docs.flashnerd.com/reference/fields/text.md)                       | Short questions, answers, and labels     | Plain text entry                                     |
| [Rich Text](https://docs.flashnerd.com/reference/fields/rich-text.md)             | Explanations and structured notes        | Formatting, lists, colors, text size                 |
| [Image](https://docs.flashnerd.com/reference/fields/image.md)                     | Photos, diagrams, and visual prompts     | Camera, library, file picker                         |
| [Cloze Deletion](https://docs.flashnerd.com/reference/fields/cloze.md)            | Recalling missing parts of a sentence    | Selected text is masked before reveal                |
| [TTS (Text-to-Speech)](https://docs.flashnerd.com/reference/fields/tts.md)        | Listening and pronunciation practice     | Source text, field references, language, autoplay    |
| [Audio Recording](https://docs.flashnerd.com/reference/fields/audio.md)           | Recorded speech and existing clips       | Record/import, playback, autoplay                    |
| [Image Occlusion](https://docs.flashnerd.com/reference/fields/image-occlusion.md) | Recalling labels or regions in a diagram | Rectangular masks                                    |
| [Chinese](https://docs.flashnerd.com/reference/fields/chinese.md)                 | Chinese reading practice                 | Pinyin, pronunciation profile, annotation visibility |
| [Japanese](https://docs.flashnerd.com/reference/fields/japanese.md)               | Japanese reading practice                | Furigana, romaji, pitch accent, overrides            |
| [Code](https://docs.flashnerd.com/reference/fields/code.md)                       | Programming syntax and examples          | Language, line numbers, wrapping, editor theme       |
| [TeX](https://docs.flashnerd.com/reference/fields/tex.md)                         | Mathematical notation                    | Formula input and scaling                            |

## Add the right field

1. Open **Deck Detail → Deck Setting → Deck Template**.
2. Add a field or select an existing field's **Field Type**.
3. Give it a meaningful name and choose its side.
4. Set any defaults using the field's gear, then save the template.
5. Open or add a card and fill in that field.

**Cloze Deletion** and **Image Occlusion** are **Both Only** types. They use the same content on both faces, with masking/reveal behavior, rather than separate question and answer values.

## Shared settings

Every field supports the general **Hidden** setting. Card-level settings can follow **Use Template Settings** or use an override. Per-card Chinese/Japanese pronunciation overrides are available for applicable text.

A template can contain up to **20 fields**. Deleting a field deletes its values from every card in that deck, so [back up](https://docs.flashnerd.com/guide/import-export/backups.md) before restructuring a populated template.

See [Field settings and card sides](https://docs.flashnerd.com/guide/cards/field-settings.md) for inheritance, side placement, notes, and saving changes.