As there are vexed questions in the use of:
🪶 spelling (judgment or judgement?)
🪶 punctuation (should a capital letter follow a colon?), and
🪶grammar (different to, or different than?)
a Style Sheet helps the editor impose consistency on a manuscript.
There are decisions to be made about how to refer to clock time, or how to set out dates, or numbers, abbreviations, people’s titles, references to books, whether you will use double or single quotation marks, or a serial comma, and many other points of detail you might never have had to think about before.