On my computer, there was a contented little stream of smiley faces, made from colons and parentheses.
First Lady Michelle Obama’s Magnum Opus|Patricia J. Williams|September 5, 2012|DAILY BEAST
On some reading devices, inline stage directions are set off from the text by parentheses added by the transcriber.
The Fatal Dowry|Philip Massinger
I wish to add one remark, here—in parentheses, so to speak—suggested by the word "snowy," which I have just used.
A Tramp Abroad, Complete|Mark Twain (Samuel Clemens)
These lines are called parenthesis, marks of parenthesis, or parentheses.
Why We Punctuate|William Livingston Klein
Numbers in parentheses designate authors or publications cited in the list of references.
The Grapes of New York|U. P. Hedrick
For photographs of architecture give name of city followed by country in parentheses.
A Library Primer|John Cotton Dana
Content related to parentheses
What Are The ( ) { } [ ] And ⟨ ⟩?Many things set English apart, including these symbols. But what are ( ), [ ], { }, and ⟨ ⟩ actually called and do they work in the same way?
Punctuation marks — ( ) — used to separate elements in a sentence. Parentheses subordinate (see subordination) the material within them so that readers save most of their attention for the rest of the sentence: “Aunt Sarah (who is really my mother's cousin) will be visiting next week.”