n. 25B6; noun
capital letters : (ALPHABETICAL) CHARACTER, sign, symbol, mark, figure, rune; Linguistics grapheme. See lists at alphabet , phonetic alphabet .
she received a letter : (WRITTEN) MESSAGE, (written) communication, note, line, missive, dispatch; correspondence, news, information, intelligence, word; post, mail; formal epistle.
a man of letters : (BOOK) LEARNING, scholarship, erudition, education, knowledge; intellect, intelligence, enlightenment, wisdom, sagacity, culture.
epistolary.
25A0; to the letter STRICTLY, precisely, exactly, accurately, closely, faithfully, religiously, punctiliously, literally, verbatim, in every detail.