What is a side drawer?
The side drawer, also known as the slide menu, navigation drawer, or the “Left nav”, is a UI panel that contains an site or mobile app's main navigation destinations. Usually hidden from view, the side drawer slides in from the left edge of the screen.
What is a drawer in UI?
Navigation drawers (or "sidebars") provide access to destinations and app functionality, such as switching accounts. They can either be permanently on-screen or controlled by a navigation menu icon. Side sheets are supplementary surfaces primarily used on tablet and desktop.