Mandarin Chinese is a widely spoken language around the world and is often used as a means of communication in business and travel. However, there are various synonyms that can be used to refer to this language, including Standard Chinese, Putonghua, Zhongwen, and Guoyu. Standard Chinese is the official language of China and is based on the Beijing dialect of Mandarin. Putonghua is the spoken language of the Chinese people, meaning "common speech." Zhongwen means "Chinese language," while Guoyu means "national language." All these synonyms are commonly used to refer to the Mandarin Chinese language, depending on the context and location of use.