Editor's marks are literally the marks an editor makes on a manuscript to indicate where corrections or review is needed. There are generally accepted symbols for certain types of corrections like inserting or omitting words or letters, but not all editors follow these standards.
The best guide would be the latest version of the Chicago Manual of Style. It is used by professional editors and publishers.
editors refusal
the editors of twitter
Editors - band - was created in 2002.
It is an organisation of editors of news papers and magazines in India.
Copy editors, Archive Researchers, Editors at large, Literary Editors, Trendsetters, and Copy assistants.
The plural form is editors. The plural possessive is editors'.
The word editors is a common plural noun. It requires no apostrophe.All newspapers have editors.In the example you gave, "Dear Editors", there is no apostrophe.
The plural form of the compound noun editor-in-chief is editors-in-chief.The correct plural possessive form is editors-in-chief's.
Adobe, Photoshop, and Instagram are popular photo editors online.
The word editors is not male or female, and anyone can be an editor, regardless of gender.
American Society of Magazine Editors was created in 1963.