文字 [ wén zì ]: character; script; writing; written language; writing style; phraseology; Classifiers: 个

数字 [ shù zì ]: numeral; digit; number; figure; amount; digital (electronics etc); Classifiers: 个

签字 [ qiān zì ]: to sign (one's name); signature

数字化 [ shù zì huà ]: to digitalize; digital

汉字 [ hàn zì ]: Chinese character; Classifiers: 个 ; Japanese: kanji; Korean: hanja; Vietnamese: hán tự

More: 字* | *字 | *字*