Three overlapping empty rectangular horizontal computer window with curved edges, side bars for scrolling and a dot in the top corner, on the side of the menu bar.

Overlapping Screens With Side Bars

Sidebar

A smartphone screen displaying a vertical sidebar with the letters of the alphabet next to a contact photo of a smiling person and a phone icon.

Phone Screen Displaying Contact

A desktop computer screen displaying a window with a vertical sidebar and a cursor pointing at a smiley face.

Desktop Screen Displaying Program With Smiley Face

A tall, narrow sidebar window featuring six digital art tool icons and color swatches.

Digital Art Tool Window

A circular user icon above a stack of short horizontal lines indicating text or a menu, against a rectangular background.

Illustration Of Sidebar