This is the 369th most frequent Chinese word.
陈
"陈" means to display, state, arrange, or refers to the surname Chen.
In this sentence, '陈' (chén) is used as an adjective meaning 'aged' or 'vintage'.
这是陈年的葡萄酒。
This is aged wine.
Here, '陈' (chén) is used as a surname, a common family name in Chinese.
陈先生是我的语文老师。
Mr. Chen is my language teacher.
In this case, '陈' (chén) is part of the verb '陈述' (chén shù), which means 'to state' or 'to narrate'.