What is another name for colloquial?
The bulk of literary readings (文讀, bûn-tha̍k), based on pronunciations of the vernacular during the Tang Dynasty, are mainly used in formal phrases and written language (e.g. philosophical concepts, surnames, and some place names), while the colloquial (or vernacular) ones (白讀, pe̍h-tha̍k) are basically used in spoken language and vulgar phrases.