What are commonly used proofreading marks?

Answer 1

Symbol Meaning Example insert a comma apostrophe or single

quotation mark insert something use double quotation marks use a period here delete transpose elements close up this space a space needed here begin new paragraph no paragraph these are commonly used

Answer 2

Commonly used proofreading marks include inserting a word, deleting a word, changing the order of words, indicating a transpose of words, adding a space between words, and marking a line break. They are used by proofreaders to communicate necessary corrections to the text being reviewed.