京

In a sentence

• 北京是中国的首都。

  Beijing is the capital of China.

  Here, '京' refers to 'capital', which is a historical way to denote significant urban centers, such as '京' in '北京' meaning 'Northern Capital'.

• 京剧是中国的一种传统戏剧形式。

  Peking Opera is a traditional form of Chinese drama.

  In this context, '京' relates to the term '京剧', indicating 'opera of the capital' as this art form originated and was popularized in Beijing.

• 小时候，我总是梦想着住在京城。

  When I was young, I always dreamed of living in the capital city.

  The word '京' in '京城' poetically references the capital city, often used in literary and classical contexts to signify the primary city of governance.