noun, place name, verb

长江是中国最长的河流。

place name, proper name · the Yangtze River, usually used as a bound form in names and terms

江南的春天来得很早。

proper name · the Chinese surname Jiang

江先生是我们公司的首席技术官，负责所有技术研发。

abbreviation · abbreviation for Jiangsu Province, often used as a bound form

江浙两省紧密相邻。