Standardized system for writing a language, including rules for spelling, character forms, and the use of punctuation marks

A certification mark for products in Taiwan that meet national standards, issued after inspection by the Bureau of Standards, Metrology and Inspection.

Zhengzitong, a Chinese character dictionary with over 33,000 entries published in the 17th century; it was edited by the Ming dynasty scholar [[张自烈|張自烈|zhang1 zi4 lie4]] to expand upon and correct the earlier dictionary [[字汇|字彙|zi4 hui4]].