The final, also called the rhyme, or in Chinese yunmu (PY: ynmǔ, TC: 韻母, SC: 韵母), is an important concept in the phonological study of Chinese languages. It is also used in the study of some other Asian languages of these families: Hmong-Mien, Mon-Khmer, Tai-Kadai, Tibeto-Burman, etc.
The final is the second part of a syllable. The first part is called the inital. Tonal languages has the tone as the third component.
For that matter, there are plenty of wrongly spelt pinyin names of the Chinese XQ masters in his books.
The sound of a Chinese character is mostly made up of two components: the initial "shengmu" (consonant) and the final "yunmu" (vowel,or diphthong,or compound vowel).
Xiang is made up of the "shengmu" x and the compound "yunmu" iang.