-sted below are the most common proofreading symbols, along with explanation and examples of each. O. . Explanation of the Symbol. Begin a new paragraph.. The caret is not just a symbol for an exponent in a computer, its a traditional proofreading mark used in the editing process. When you see this sign in a.... Although a significant amount of editing and proofreading is now done with digital tools, heres a list of the most common proofreading marks and symbols.. . . ... Insert em dash ... The em dash can take the place of commas, parentheses, or colons and is a highly versatile punctuation mark. Considered less.... . . ... What are the proofreading marks and their symbols? ... Carets are used for punctuation mistakes. The upward pointing caret is used for periods and.... BioMedical Editor. Proofreading Marks at a Glance. Proofreading marks also called proofreaders marks are symbols and notations for correcting typeset.... . . ... Punctuation Within a Sentence These symbols are used for inserting a com