\begin{definition}[Definition:Parenthesis/Natural Language]
In natural language, '''parenthesis''' is used to indicate certain explications and explanations are not essential for the flow of the text or argument.
Statements which have undergone the operation of '''parenthesis''' are said to be '''in parenthesis'''.
The symbols often used to indicate '''parenthesis''' are the round brackets "(" and ")", the dash "$-$" and commas ",".
\end{definition}