Marks of Parenthesis are used to inclose a sentence, or part of a sentence, which is inserted in another sentence: “One Sunday morning, when her daughter (afterwards Lady Elton) went into the kitchen, she was surprised to find a new jack (recently ordered, and which was constructed on the principle of going constantly without winding up) wholly paralyzed and useless.”

The Index [

] is used to draw attention to some particular passage. Sometimes an Asterism [

] is used for the same purpose. Where there are many footnotes on a page, the Index is a proper reference mark. {p121}

The Caret [

] is used in writing, to denote the point where an interlineation is to be inserted. It is sometimes used in printing when the exact character of a manuscript is to be represented,—as in “exhibits” in law work.

The Brace [