sidebar

As a noun sidebar

is a short news story printed alongside a larger one.

As an adjective undefined is

lacking a definition or value.

In computing terms the difference between taskbar and sidebar

is that taskbar is the application desktop bar which is used to launch and monitor applications in Microsoft Windows 95 and later operating systems while sidebar is information placed at the side of a webpage.

As nouns the difference between sidebar and navbar

is that sidebar is a short news story printed alongside a larger one while navbar is a horizontal bar, usually at the top of a web page, offering a number of links to help the viewer to navigate the web site.

is likely misspelled.

has no English definition.

As a noun sidebar

is a short news story printed alongside a larger one.

As nouns the difference between sidebar and sidecar

is that sidebar is a short news story printed alongside a larger one while sidecar is a one-wheeled attachment to a motorcycle to allow for a separate seat for a passenger or cargo space.

Sidebar is a see also of boxout.

As nouns the difference between sidebar and boxout

is that sidebar is a short news story printed alongside a larger one while boxout is a square or almost square design element that contains text or graphics separate from the main body of text or graphics on the page.

As nouns the difference between sidebar and tagboard

is that sidebar is a short news story printed alongside a larger one while tagboard is (internet) a small message board on a webpage, usually located in the sidebar, where visitors can leave a name and short message.