# Entities

> Entities are the main building blocks that compose the Talon.One platform.

> For the complete documentation index, see [llms.txt](https://docs.talon.one/llms.txt).

For example:
- You can have many Applications in your deployment.
- Rules are specific to a given campaign.
- A loyalty program can be shared across all the Applications of your deployment.

The entities of Talon.One include:
- [Achievements](/docs/dev/concepts/entities/achievements.md)
- [Applications](/docs/dev/concepts/entities/applications.md)
- [Campaigns](/docs/dev/concepts/entities/campaigns.md)
- [Customer profile](/docs/dev/concepts/entities/customer-profiles.md)
- [Customer sessions](/docs/dev/concepts/entities/customer-sessions.md)
- [Events](/docs/dev/concepts/entities/events.md)
- [Giveaways](/docs/dev/concepts/entities/giveaways.md)
- [Rewards](/docs/dev/concepts/entities/rewards.md)
- [Loyalty card](/docs/product/loyalty-programs/card-based/card-based-overview)
- [Stores](/docs/dev/concepts/entities/stores.md)

This diagram shows how different entities in Talon.One relate to one another:

## Related pages

- [Attributes](/docs/dev/concepts/attributes.md)
- [Campaign overview](/docs/product/campaigns/overview.md)
- [Integration API](/docs/dev/integration-api/overview.md)
- [Available effects](/docs/product/rules/effects/available-effects.md)