Sentences that are grammatically possible but difficult to read, repetitive, or imprecise.
Problems with syntax, punctuation, tense, articles, agreement, and sentence structure.
Terms, abbreviations, capitalization, units, or labels that vary across the manuscript.
Inconsistent references, headings, captions, numbering, and style presentation.
Wording or transitions that make the intended relationship between ideas harder to follow.
Presentation that does not consistently follow the supplied journal or publisher guidance.