The concept of literature "three meanings"-three different concepts, namely, literature in a broad sense (the general name of all verbal or written language acts and works, including the so-called literature and politics, philosophy, history, religion and other general cultural forms) and literature in a narrow sense (referring to the prevailing literature today, that is, language artistic acts and works including emotion, fiction and imagination, such as poems, novels, essays and so on). ) and eclectic literature (between broad literature and narrow literature)

Discourse implication is a summary of the special language and meaning of literary activities, which means that literature, as a social discourse, contains rich possibilities of meaning generation.

Artistic conception is a writer's thinking process of creating a complete image sequence with psychological activities and artistic generalization on the basis of material accumulation and artistic discovery and under the guidance of some creative motivation.

Artistic discovery is a writer's unique feeling when observing and examining external things on the basis of accumulating certain living materials in social life and according to his own ideological principles and aesthetic trends of understanding and evaluating life.