Beginning, Elementary, Intermediate and Advanced Chinese categories are based on the 甲乙丙丁 categories as set forth in the Hànyǔ Shuǐpíng Kǎoshì (Chinese Proficiency Test).
Source : http://www.unige.ch/lettres/meslo/chinois/general/HSK.html The total number of words on the HSK committee list is 8840. If a word falls outside that list, it will not be classified as beginning, elementary, intermediate or advanced.
Listed below are the basic components of the Mandarin language, which is called a 字 (zì) in Mandarin.
Listed below are morphemes that have multiple characters combined idiomatically. Such kind of combination is called a 詞語／词语 (cíyǔ) in Mandarin.