======== Glossary ======== Horizon The OpenStack dashboard project. Also the name of the top-level Python object which handles registration for the app. Dashboard A Python class representing a top-level navigation item (e.g. "project") which provides a consistent API for Horizon-compatible applications. Panel A Python class representing a sub-navigation item (e.g. "instances") which contains all the necessary logic (views, forms, tests, etc.) for that interface. Project Used in user-facing text in place of the term "Tenant" which is Keystone's word.