sidebar
nounUK /ˈsaɪdbɑː/
US /ˈsaɪdbɑːr/
A small box or column beside the main part of a page that has extra information.
The sidebar on the website showed links to other articles.
OTHER MEANINGS
2. A short news story placed beside a longer main story.
The newspaper ran a sidebar about the witnesses.
3. A brief conversation or meeting held separately from a main event.
The two leaders had a sidebar during the conference.
4. A small window or panel in a computer program that shows tools or information.
Drag the file into the sidebar to save it.
5. A short extra section in a book or document giving related details.
The chapter ends with a sidebar on local history.