WordPress Backend is designed to be user-friendly, fast, and feature rich. Almost every single function of your WordPress installation that a user can configure will be accessible from the backend.
Let’s breakdown the structure of the WordPress backend.
Certain themes or plugins may change how things look/work in the backend. For example the fonts, the visibility of the toolbar, accessible menu items, etc.
The backend sidebar
The sidebar can be collapsed using the Collapse menu link at the very bottom.