> For the complete documentation index, see [llms.txt](https://docs.bird.com/taxi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bird.com/taxi/email-design-systems/brands/what-are-sub-templates.md).

# What are sub-templates

We have changed Sub-Templates to Brands. You can read more about Brands [here](https://docs.messagebird.com/taxi/Email%20Design%20Systems/Brands/what-are-brands)