Liquid is an open-source template language integrated into Power Pages. It can be used to add dynamic content to webpages, and to create a wide variety of custom web templates.
Using Liquid, you can:
Add dynamic content directly to the Copy field of a webpage or the content of a content snippet.
Build custom web templates, for use throughout the Power Pages content management system.
Render a website header and primary navigation bar, entirely through configuration within Power Apps.