1) The document discusses copyediting and headline writing in journalism. It covers arranging, correcting, and selecting news stories, as well as writing headlines.
2) As a copyeditor, one must ensure grammar, accuracy, and freedom from libel, while using fewer adjectives. Styling refers to spelling terms consistently.
3) Newspaper style guidelines cover numbers, spelling, capitalization, abbreviations, acronyms, grammar, punctuation, and copyediting symbols. Dates and addresses use figures, while words are used for numbers 1-9.