# Single instance models

Real-world websites have often pages which don't resemble any other (eg. the *About us* page, or even the homepage).

If you want to allow the editors to change their content, you can create a Single-instance model:

(Image content)

While *collection* models enable the creation of multiple records, *single-instance* models allow just a single item to be edited in the administrative area.

## Related content in "Content modelling"

- [Introduction to Content Modeling](https://www.datocms.com/docs/content-modelling.md)
- [Single instance models](https://www.datocms.com/docs/content-modelling/single-instance.md)
- [Record ordering](https://www.datocms.com/docs/content-modelling/record-ordering.md)
- [Hierarchical sorting (Tree-like collections)](https://www.datocms.com/docs/content-modelling/hierarchical-sorting.md)
- [Record block limits and byte size limits](https://www.datocms.com/docs/content-modelling/record-block-limits-and-byte-size-limits.md)
- [Blocks](https://www.datocms.com/docs/content-modelling/blocks.md)
- [Modular content fields](https://www.datocms.com/docs/content-modelling/modular-content.md)
- [Structured text fields](https://www.datocms.com/docs/content-modelling/structured-text.md)
- [Link fields](https://www.datocms.com/docs/content-modelling/links.md)
- [SEO fields](https://www.datocms.com/docs/content-modelling/seo-fields.md)
- [Slugs and permalinks](https://www.datocms.com/docs/content-modelling/slug-permalinks.md)
- [External video field](https://www.datocms.com/docs/content-modelling/external-video-field.md)
- [Validations](https://www.datocms.com/docs/content-modelling/validations.md)
- [Data consistency: key concepts and implications](https://www.datocms.com/docs/content-modelling/data-migration.md)