What does 文字 mean?
文字 is a Japanese noun meaning “letter (of alphabet), character” in English. It can also be translated as “writing” depending on context. It is written as 文字 in kanji, もじ in hiragana, and moji in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
へー、キーボード見ないで文字打てるんだ。スゴイわねー。
Oh? You can type without looking at the keyboard. That's cool!