Transitions - (words that connect one idea to another). Repetitions - (word, phrase, or full sentence repeated to highlight importance)
Synonyms - (words similar in meaning to important words or phrases)
Pronouns - (used to connect sentences by referring to preceding nouns and pronouns)
Parallel Structures - (matching words, phrases, clauses, or sentence structures to express similar ideas)
Language use - (appropriateness of word/vocabulary usage)
Mechanics - conventions that have to be considered. (spelling, punctuation, capitalization)