This is the 8045th most frequent Japanese word.
孝文
"孝文" is a Japanese given name, primarily masculine, meaning "filial piety" (孝) and "writing" or "literature" (文).
孝文 is functioning as a proper name here, referring to Mr. Kobun.
孝文さんは今日、図書館で本を借りた。
Mr. Kobun borrowed a book from the library today.
孝文 is used as a name, and the sentence discusses its depth of meaning.
孝文という名前は、意味が深いです。
The name Kobun has a profound meaning.
孝文 symbolizes someone's values or sentimental essence in this context.