Answer: punctuation

AnswerCrossword Clue
PUNCTUATIONOne concern of a proofreader
PUNCTUATIONEnglish class topic
punctuationThe marks, such as period, comma, and parentheses, used in writing to separate sentences and their elements and to clarify meaning
punctuationRapid or sudden speciation, as posited by the theory of punctuated equilibrium
punctuationthe act of punctuating