noun
diary literature; literature written in diary form
Refers to a genre of Japanese literature, especially classical works like the Tosa Nikki or Kagerō Nikki, written in the form of a diary.
『土佐日記』は日記文学の代表作の一つです。
The Tosa Diary is one of the representative works of diary literature.
日記 is a general diary or journal, while 日記文学 specifically denotes the literary genre or works written in diary form.
Compound of 日記 (diary) and 文学 (literature). The term refers to a recognized genre in Japanese literary history.