# Concepts

- [Localization](https://docs.bird.com/applications/content/message-templates/concepts/localization.md): Send message templates in your customers’ preferred language automatically.
- [Versioning](https://docs.bird.com/applications/content/message-templates/concepts/versioning.md)
- [WhatsApp message templates](https://docs.bird.com/applications/content/message-templates/concepts/whatsapp-message-templates.md)
- [WhatsApp approved message templates](https://docs.bird.com/applications/content/message-templates/concepts/whatsapp-message-templates/whatsapp-approved-message-templates.md)
- [Reply to open conversation message template](https://docs.bird.com/applications/content/message-templates/concepts/whatsapp-message-templates/reply-to-open-conversation-message-template.md)
- [Commerce messages](https://docs.bird.com/applications/content/message-templates/concepts/whatsapp-message-templates/commerce-messages.md)
- [WhatsApp Business Template Guidelines and Restrictions](https://docs.bird.com/applications/content/message-templates/concepts/whatsapp-message-templates/whatsapp-business-template-guidelines-and-restrictions.md)
- [Apple Messages for Business](https://docs.bird.com/applications/content/message-templates/concepts/apple-messages-for-business.md)
- [Push notifications](https://docs.bird.com/applications/content/message-templates/concepts/push-notifications.md)


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