D)Language and punctuation Distinctions Business letters use more formal language than personal letters Salutations and closings are polite and refer to proper titles(e. g, Chairman Edwards, Miss Neman) Colons are used more in business letters than personal letters Personal letters can use any language, including slang and non-business abbreviationsD) Language and Punctuation Distinctions • Business letters use more formal language than personal letters. • Salutations and closings are polite and refer to proper titles (e.g., Chairman Edwards, Miss Neman) • Colons are used more in business letters than personal letters. • Personal letters can use any language, including slang and non-business abbreviations