黒字【くろじ】
(being in) the black, surplus, black letter
数字【すうじ】
numeral, figure, digit, numeric character
赤字【あかじ】
(being in) the red, deficit, red letter, red writing, corrections (by a teacher or proofreader) written in red
文字【もじ】
letter (of alphabet), character, writing
漢字【かんじ】
kanji, Chinese character
文字通り【もじどおり】
literally, to the letter, literal
活字【かつじ】
printing type, movable type, printed text, print
十字架【じゅうじか】
cross (for crucifixion), the Cross (of Christ)
習字【しゅうじ】
penmanship, calligraphy
太字【ふとじ】
boldface, bold-type, thick characters
字体【じたい】
form of a character (e.g. simplified, traditional), type, typeface, font
横文字【よこもじ】
horizontal script (esp. of a European language), European writing, Roman letters, European language, Western language
大文字【おおもじ】
uppercase letter, capital letter, large character, large writing, the (kanji) character "dai" meaning "big", huge character "dai" formed by fires lit on the side of a mountain in Kyoto on August 16 each year
十字路【じゅうじろ】
crossroads, intersection
誤字【ごじ】
misprint, misspelling, typo, typographical error, erratum
小文字【こもじ】
lowercase letter, small letter